Pattern Name:1 monitor 2 controllers This product is easy to install and operate. With batteries fixed, both outdoor and indoor units can be directly used. It is special for villa. One outdoor unit supports connection with 99 handsets. Barrier free transmission range can reach 30 meters. Outdoor unit works with four AAA dry batteries and employs latest energy saving technology. Power consumption is little in non-working state. Power save and long standby duration are achieved. Its standby time can last over 1 year. Stable performance and fashion design are your first choice of high quality intelligent life. Note: please use alkaline battery instead of carbon battery for outdoor unit. Backup power 1000mAh lithium battery Backup power four AAA batteries Average work current 90mA Password input display LCD screen Standby current 0.7mA Average work current 100mA Screen on current 20mA Standby current 0.03mA RF launch power 18dBm Bright screen current 25mA Max voice decibel 60dB RF launch power 18dBm ADC/DAC range 300HZ—6KHZ Max voice decibel 80dB Work temperature -40~+75 centigrade ADC/DAC range 300HZ—6KHZ Melody 38 chords Work temperature -40~+75 centigrade Intercom way handset Waterproof grade IP55 Power supply DC5V/1A Intercom way Hand free Size 7.5cm*8.5cm*16cm Size 7cm*4.5cm*15cm Weight 135g Weight 156g
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