ขาย Digital Doorbell Waterproof Wireless Music Doorbell Home talkback Doorbell 300M range UK plug door bell home security ราคาที่ดีที่สุด

Function : 1) Support multiple doorbell transmitter, suitable for large villa 2) 32 songs optional 3) Waterproof touch doorbell button 4) Doorbell, alarm, welcome alarm all in one 5) Learn 30 accessories (Doorbell transmitter, detector, remote control), without losing number upon power failure 6) Support accessories of 1527/2262 encoding 7) 4 levels adjustable volume Specs : 1. Working Voltage: AC 100-240V 2. Working Current: 100 mA 3. Wireless Frequency: 433 MHz 4. Working Temperature: -10-50 degree centigrade 5. Wireless Distance: 150 meters (Open area) Frequency: 433Mhz Operation Current:8~15mA Quiescent Current:3uA Operation Temp:-10C~50C;Humidity :no more than 90% Battery:27A 12V Transmit Distance: 80 M Size:74*46*12 mm Applies widely to works, banks, stores, warehouses, offices and homestead thanks to its kinds of protection abilities like anti-theft, fire prevention, gas leakage protection and most importantly, emergency calls. #wireless-door-bell #digital-door-bell #wireless-doorbell-camera #wired-doorbell #wifi-door-bell #wifi-doorbell-camera #waterproof-doorbell