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EPTTECH Smart TLC2326 Wifi Tuya APP Oil Water Liquid Level Sensor Tank Monitor Outdoor Household Alarm Real-time Indicator Waterproof IP67 Accurate Detector
$734
Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
4.7
$193
Ring Alarm Motion Detector (2nd Generation)
4.7
$341
eufy SecurityHome Alarm System Motion Sensor, 100° Coverage, 30 ft Detection Range, 2-Year Battery Life, Adjustable Sensitivity (HomeBase Required)
4.5
$280
EPTTECH Smart TLC 2326-WF-S Tuya APP Efficient Solar Power Supply Accurate Liquid Level Monitor Wifi Water Oil Tank Level Sensor Waterproof IP67 Household Alarm Outdoor Ultrasonic Indicator
$619
2 Pack of Burglar Alarm Door/Window Contact Detectors - Wired - White - Professional Quality
4.5
$107
DAYTECH Indoor Motion Sensor Alarm for Caregiver Pager Room Bed Alarm and Fall Prevention for Elderly Dementia Patients Elderly Monitoring Wireless Alert System
5.0
$299
Freezer Door Alarm When Left Open, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open Alarm Loud 108dB, Refrigerator Alarm 2 Pack (White)
5
$209
VELATEMOR Water Alarm Detector, Water Level Sensor Alarm, 120dB Loud, Intelligent Sensing Technology, for Household Pools, Fish Tanks, Garage, Kitchen, Security, Alert
$84
Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&Detector-DIY Security Alert-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 2 Sensors
4.3
$417
Geevon 2 Pack Water Leak Detectors, 100dB Water Sensor Alarms Flood Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Attics, Water Alarms Battery-Operated (Battery Included)
4.5
$306
WiFi Door Alarm System, Wireless DIY Smart Home Security System, with Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work with Alexa, for House, Apartment, by tolviviov
4.2
$549
Smart Water Leak Detector WiFi Wireless Intelligent Water Sensor for TUYA App High Sensitivity Water Sensor with Audio Alarm Remote Monitoring of Leaks for Household Basement
$242
Smoke Alarm detectors are Used in Household Kitchens or Offices to detect Gas Alarms (2-Pack)
3.9
$174
2 Pack Window Alarm Ultra Slim Vibration Alarm 130dB Window Alarms for Security Shed Door Alarm Sensor Glass Break Alert Alarm Sensors for Home, Office, Dorm Room, RV
4.6
$145
EPTTECH Smart TLC2326 Wifi Tuya APP Oil Water Liquid Level Sensor Tank Monitor Intdoor Household Alarm Real-time Indicator Waterproof IP65 Accurate Detector
5.0
$408
Ultrasonic Level Sensor, Water Fuel Liquid Level Detector Water Liquid Depth Meter Electronic Digital Display Ultrasonic Liquid Level Controller for Household Use
$624
PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home(Includes Battery x2)-Orange
4.6
$227
eufy Security Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Requires eufy Security HomeBase, Links with HomeBase-Connected Devices
4.6
$180
IrforaTuya WiFi Natural Gas-Sensor Household Intelligent Combustible Gas-Alarm Detector Gas-Leakage Sensor Compatible with Amazon Assistant
$90
Hiistar Personal Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
3.8
$173
CPVAN Indoor Motion Sensor Alarm with Siren, Wireless Infrared DIY PIR Motion Detector Burglar Alarm System, Battery Operated, 125dB Adjustable, Remote Control for Home/Garage/Van/Shed/Shop. (Black)
4.3
$225
X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Water Detectors & 1 Base Station, SWS54
4.5
$451
X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Water Detectors & 1 Base Station, Model SWS54
4.6
$462
Ring Alarm Contact Sensor (2nd Generation)
4.7
$228
Foloose Water Level Indicator Alarm Water Level Alarm Sensor Waterline Indicating Alarm Low or High Water Level Sensor Alarm with Silencer Switch
$202
CPVAN Home Alarm System, WiFi PIR Motion Sensor Alarm, Wireless DIY Smart Door/Window Alarm for Home Security with Phone APP Alert 9 Pieces-Kit (Indoor PIR Alarm Host, 6 Door Sensors, 2 Remotes)
4.1
$534
Solar Motion Sensor Alarm, 129dB Sound, IP65 Waterproof, Outdoor Security Alarm Solar Sound and Light Alarm Motion Sensor with Remote Controller for Home, Orchard, Farm
$50
eWINNER Home windows burglar alarm super loud alarm doors and windows simple door sensor door alarm
4.0
$62
Security Door Window Alarm, Wireless Sensor Door Window Burglar Alarm, Door Alarms for Kids Safety, Easy Installation Doorbell Alarms for Office House Window Pool (4 Pack)
4.0
$33
Gas Leak Detector, Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like for LPG, LNG, Natural, Methane & Butane Gases Detecting
$183
Khazna Door and Window Alarm, Burglar Alarm, Home Protection Wireless Magnetic Sensor Burglar Alarm, Child Protection Pool Door Alarm, Toddler Door Opening Alarm Sensor
$73
Khazna Door Handle Alarm, Door Window Sensor with 120db Alarm Audible up to 500 Ft (150M) Touching Vibration Triggered Security Alarm for Travel Hotel Apartment Home Security
$55
Driveway Alarm, Bistee Wireless Driveway Alarms Weather Resistant Motion Sensor&Detector, Microwave lnfrared Detector Home Security Alert System, 600 FT Range Monitor&Protect Outdoor/Indoor Property
4.2
$259
125 DB Window Door Alarm, 4 Pack Door Magnetic Alarm, Sensor Door Alarm Door Sensor Wireless Security Alarm Door Chime for Kids' Safety Home Garage Apartment(included 12 LR44 button batteries)
4.3
$115
Door Alarms for Kids Safety, VOXON Window Alarm Door Alarm for Home Security Personal Security Window Alarms Sensor Burglar Door Alarm for Pool, Cars, Sheds, Caravans DIY Kit Pack of 2
4.4
$157
Infrared Motion Sensor Welcome Alarm Wireless Doorbell Entrance Alert for Shop & Office
4.0
$164
Liquid Water Leak Sensor Alarm 100dB Buzzer Household Smart Sensor Portable Durable Water Detector for Home Boat Shop Garage Basement Warehouse
$419
Comboss Solar Sound & Light Alarm Motion Sensor 110 Decibels Siren Sound Alert & 6LEDs Flash Warning Strobe Security Alarm System for Farm Villa
3.9
$117
Door Sensor Alarm, Entrance Welcome Doorbell Infrared Motion Welcome Alarm with 38 Chimes & 4 Volume Levels & 7 Languages for Home Shop Business Store When Entering
$28
Door Alarms for Home Security, Window Door Alarms, Window Alarm Sensors, Door Alarms for Kids Safety,DIY Protection Loud Bell Alarm for Home,Office Very Fast Sensor
$14
Wireless Door Alarms When Opened with Remote, Satisure Door Security Sensor Chime Window Alarm Pool Alarm Sliding Door Alarm for Kids Safety, Home/Garage/Apartment Security (2 Pack, White)
5
$211
Excefore Door Window Alarm, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm, Pool Door Alarm for Kids Safety Toddler Door Open Alarm Sensor, 6 Pack
3.2
$138
Solar Motion Sensor Alarm, 130dB Sound, IP65 Waterproof, Outdoor Security Alarm Solar Sound and Light Alarm Motion Sensor with Remote Controller for Chicken coop, Garden, Yard, Farm
$430
UanTii WiFi Door Window Sensor Tuya Smart Door Window Contact Detector for Home Security Works with Smart Life APP Remote Contro and Alexa Google Home
3.5
$133
Wireless Home Security System, WiFi Smart DIY Home Alarm System for Apartment/Villa/Store, 8 Pieces-Kit, Alarm Siren, Door Window Sensor, Caregiver Pager, Work with Google Assistant and Alexa
5.0
$679
wsdcamFreezer Door Alarm When Left Open, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open Alarm Loud 108dB, Refrigerator Alarm 2 Pack
4.3
$185
WiFi Door Sensor, Tuya Smart Door Window Sensor, Smart Window Sensor Real-time Alarm Compatible with Alexa Google Assistant,Home Security Door Open Contact Sensor for Business Burglar Alert (1 Pack)
4.0
$159
GE Personal Security Window and Door Alarm, 6 Pack, DIY Protection, Burglar Alert, Wireless Chime/Alarm, Easy Installation, Home Security, Ideal for Home, Garage, Apartment and More,White, 49721
4.5
$279
TERRIFI 2Pcs Freezer Door Alarm, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-In-1 Door Sensor Chime Door Open Alarm Loud 108dB
4.3
$216
MOES Smart Door and Window Sensor, Wireless Detector for Alarm System and Smart Home, Compatible with Smart Life/MOES APP, Works with Alexa Google Home Voice Control, Requires MOES ZigBee Gateway
5.0
$36
BewinnerWireless Vibration Alarm with Remote Control,10dB 10 Level Sensitivity Adjustable Anti-Theft Alarm, Bike/Motorcycle/Vehicle Security Alarm for Door and Window Alarm
5
$145
Ring Alarm Motion Detector (2nd Generation)
5.0
$323
WIFI Water Leak Sensor WiFi Water Leak Detector Overflow Flood Leakage Alerts Remote Monitoring Leaker for Water Heater Basement Sewage Pump TUYA/Smart Life APP Notification
4.5
$98
Mengshen Motion Sensor Alarm, Wireless Doorbell Alert for Front Door Door Entry Driveway Mailbox Home Shop Visitors with 1 Sensor and 1 Receiver
4.4
$72
Lancoon Door Window Sensor Alarm, Remote Control Wireless Magnetic Alert Anti Theft DIY Installation for Home Apartment Business Pool Garage
4.3
$55
GOWENIC Solar Cordless Driveway Alarm 1/2 Mile Long Range, IP55 Weatherproof Driveway Alarm with Motion Sensor and Detector, for Monitor, Outside Property
$208
CPVAN Indoor Motion Sensor Alarm with Siren, Remote Control Wireless Infrared DIY PIR Motion Detector Burglar Alarm System, 125dB Adjustable, Battery Operated, for Home/Shed/Garage/Van/Shop.
4.3
$238
TECKNET Door Alarm Sensor, Window Alarm Sensors, 2-in-1 Alarm & Chime, 3-level Volume Control, Door Sensor Alarm for Home Security, Wireless Burglar Alarms for House, Shop, Office, Garage (3 PCS)
4.3
$162
Mengshen Wireless Vibration Alarm, Anti-Theft Burglar Alarm for Bicycle Bike Motorcycle Car Vehicles Door Window 110db Super Loud
4.0
$123
UanTii Tuya Wifi Door Window detector with light sound alarm Wireless Door Alarm Sensor for Home Security Smart Home Door Sensor Smart Life App Push notification works with Alexa and Google Home
3.9
$180
MAKINGTEC Driveway Alarm, 328 ft Long Range Wireless Driveway Alarm Weatherproof Outdoor Motion Sensor Detector Security Alert, Protect Outdoor/Indoor Property (1 Receiver and 2 Sensors-38 Chimes)
4.3
$221
REVHQ Door Window Alarms 120DB Pool Alarms for Door Wireless Home Security Burglar Alarms for Kids Safety and Home Security
2.0
$22
Honeywell IS312B Pet Tolerant Passive Infrared (PIR) Motion Detector with Swivel Bracket (replaces model IS215T)
4.5
$245
X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Water Detectors & 1 Base Station, SWS54
4.7
$459
Azonee WiFi Smart Door Window Alarm, Vibration Sensors with 130dB Alarm and Free App Alerts, with Virtually Any Window, Glass Break Alarm Perfect for Home, Office, Dorm Room
5.0
$206
Meross Smart Door Window Sensor, Mini Contact Sensor for Security and Home Automation, WiFi Alarm System, Real-Time Alert, Works with HomeKit, Alexa, Google, SmartThings, Meross Hub Included Start Kit
3.8
$194
Ring Alarm Contact Sensor (2Nd Generation)
4.6
$251
eufy Security5-Piece Home Alarm Kit, Home Security System, Keypad, Motion Sensor, 2 Entry Sensors, Home Alarm System, Control From the App, Links with eufyCam
4.4
$859
Bed Wetting Alarm for Boys Girls, Bedwetting Alarm System, USB Rechargeable, Loud Sound and Vibration, 3 Reminder Modes, Music Optional and Volume Control, Bed-wetting Sensor for Kids Adults (White)
$305
Mengshen Motion Sensor Alarm, Driveway Entry Alert Support 5 Modes, 36 Tunes, Long Transmission Distance (Remote Control Included)
4.4
$82
Excefore Door Window Alarm 3 Pack 4 Alarm Modes Wireless Magnetic Double-Side Trigger Home Security Sensor 130dB Burglar Alarm for Home Business, Loud Pool Door Alarm for Kids
4.0
$180
F-SMOKEZ- EN14604 Certified, Wireless Smoke Alarm with 10 Year Life, Photoelectric Sensor and 9V Battery1 Year(Included), Fire Safety for Kitchen, Home, Hotel, Villa.
$109
Upgrade Your Environmental Monitoring Capabilities with the MQ-135 Air Quality Sensor Module - Detailed Air Quality Data for Improved Health and Safety, Compliant with MSDS Guidelines
$66
YaBuy Zigbee Smart Door Sensor Tuya APP Control Door Open/Closed Magnetic Switch Window Sensor Smart Home Security Alarm
3.1
$112
4 Pack Door Alarms for Home Security, Window Door Alarms, Window Alarm Sensors, Door Alarms for Kids Safety,DIY Protection Burglar Bell Alarm for Home,Office
4.0
$138
Door Alarm Sensor, 2 Pack SECRUI Wireless Window Door Open Contact Burglar Alarm Chime Anti-Theft 4 Modes 120dB Loud Enough Sticky pad Easy to Install for Your home Kids Safety Shop Security-White
4.3
$74
Personal Security Window & Door Alarm Bell | Wireless Sensor Door Window Burglar Alarm | Pack of 10
3.9
$229
Door Window Alarm Sensor for Home Security, Wireless Magnetic Window Door Burglar Alarm with 120dB Loud for House, Shop, Office, Garage
$185
RingAlarm Contact Sensor (2nd Generation) - 2 pack
4.7
$399
Motion Sensor Alarm with Siren Indoor, Remote Control Wireless Infrared DIY PIR Motion Detector Burglar Alarm System, 90dB alert and flashing red light, for Home/Shed/Garage/Van/Shop/Burglar Alarm
4.2
$221
Window Alarm 5 Pack, 125DB Loud Glass Break Sensors, Detects Glassbreak & Vibration, with Adjustable Sensitivity, Fit for Any Window for Indoor Home Office Security
4.2
$399
Tech TradersWireless Pir Motion Sensor Alarm + 2 Remote Controls Shed Home Garage Caravan
4.0
$104
Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 1 Sensor
4.2
$445
VOXON Wireless Door and Window Alarm Sensor 4 Pack 2 Modes Magnetic Window Door Burglar Alarm with 100dB Loud for Kids Safety Home Shop Security
4.4
$155
TECKNET Wireless Door and Window Open Sensor Alarm Chime, 1000Ft Operating Range 61 Chimes Adjustable Volume with Mute Mode LED Indicators Door Open Alert, Door Alarm Sensor for Home Store Office
4.4
$231
HommyFine Home Security Motion Sensor Alarm Detector, Wireless Business Visitor Door Entry Chime Alart with PIR Motion Sensor Detector and Plug-in Receiver for Business Home Office
4.2
$205
Mydome Wireless Driveway Motion Alarm | DIY Home Security Motion Sensor Plugin Chime Kit, Designed for Gardens, Sheds & Outdoor Security, Clear Audio & Visual Notification
4.3
$529
Motion Sensor Alarm with Remote Control Wireless Infrared Home Burglar Security System PIR Indoor Motion Detector for Garage/Shed/Home Security
4.1
$203
Door Window Alarm 2 Pack Noopel Home Security Ultra-Slim Wireless Magnetic Sensor Burglar Anti-theft 120DB Alarm with Batteries included - DIY EASY to Install
4.4
$174
1/2 Mile Long Range Wireless Driveway Alarm Outdoor Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor/Indoor Property- 1 Receiver and 2 Sensors
4.2
$634
HyfiveDriveway Motion Sensor Alarm Home Security Device Wireless Indoor Or Outdoor Alarm
4.2
$203
Ring Alarm Outdoor Contact Sensor
4.3
$534
X-Sense Smart Home Security Systems, Wireless alarm systems, Works with Alexa, Supports Mobile App Alerts, Includes 1 Base Station, 2 Door Alarms, 1 Motion Alarm, 1 Keypad, AS05
4.5
$794
DAYTECH Volume Ajustable Door Open Alarm Sensor, Window Alarm 0-120dB, 4 Modes Open Alarm/Close/Dingdong/Reminder Burglar Alarm for Kids Safety Patient Home Security Office Business 2PCS NO Batteries
4.2
$272
Defender Door Handle Alarm - Wireless Hanging Intruder Alarm for Metal Door Handles - 125dB Siren Movement Detector - Door Knob Touch Sensor
4.2
$142
Ring Alarm Pack - S by Amazon | Smart home alarm security system with optional Assisted Monitoring - No long-term commitments | Works with Alexa
4.6
$2,079
Caregiver Pager Indoor Motion Sensor Alarm Room Bed Alarms and Fall Prevention for Elderly Dementia Patients/Mailbox Alert Device for Home, White
4.2
$285
Wireless Door Open Sensor Alarm Chime 500ft Operating Range 58 Chimes 5 Adjustable Volume with Mute Mode LED Indicators for Home Store Office with 2 Plug-in Receivers and 2 Sensors
4.1
$458
KERUI 115db DIY Wireless Home Security System,Indoor Outdoor Weather-Proof Siren,Window Door Sensors Motion Sensor,Shed Garage Alarm with Remote Control,Burglar Door Alarm for Hotel Shop House
4.4
$459
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