








🚪🔒 Stay a step ahead—secure your space with silent power and loud protection!
The Eufy Door Alarm Entry Sensor T89000D4 offers a compact, easy-to-install security solution with a robust 2-year lithium battery, a piercing 100-decibel siren, and seamless app control via the Eufy Security HomeBase. Designed for doors and windows, it ensures reliable forced-entry alerts, combining smart technology with minimalist design for professional-grade home protection.



| Battery description | Lithium | 
| Number of batteries | 1 Lithium Ion batteries required. (included) | 
| Voltage | 3 Volts | 
| Control method | App | 
| Noise level | 100 Decibels | 
| Mounting type | Door Mount, Window Mount | 
| Sensor technology | Contact Sensor | 
| EU Spare Part Availability Duration | 2 Years | 
| UPC | 848061058666 | 
| Global Trade Identification Number | 00848061058666 | 
| Manufacturer | Eufy | 
| Part number | AK-848061058666 | 
| Item Weight | 68 g | 
| Product Dimensions | 7.4 x 2.8 x 2.2 cm; 68 g | 
| Batteries | 1 Lithium Ion batteries required. (included) | 
| Item model number | T8900 | 
| Size | motion sensor | 
| Color | white | 
| Style | Sensor | 
| Wattage | 7.5 watts | 
| Item Package Quantity | 1 | 
| Included components | Entry Sensor, CR123A Battery, Magnet, 3 x Mounting Screws, Owner's Manual, Happy Card. | 
| Batteries Included? | Yes | 
| Batteries Required? | Yes | 
| Battery Cell Type | Lithium Ion | 
| tech_spec_battery_description_toys | Lithium | 
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