This Wireless USB Doorbell
Features a professional waterproof design, can penetrate through 3-4 walls, with a range of up to 150 meters in open areas. It has 3-level volume adjustment and 38 music options for personalization. Ideal for use in villas, apartments, offices, shops, warehouses, and more.
Features:
Wire-free, plug and play, easy to use.
Can penetrate through 3-4 walls, with a range of up to 150 meters in open areas, strong and stable signal.
3-level volume adjustment and 38 music options for personalization, customizable to your preferences.
Anti-interference and no false ringing, ensuring normal use.
Professional waterproof design, suitable for various places.
Specifications:
Colour: White
Working voltage: 5V (USB powered)
Power consumption: less than 0.25W
Working frequency: 433.92
MHz Operating temperature: -10 degrees C~+45 degrees C
Controllable volume: more than 50dB/1m
Remote control distance: more than 150 meters (unobstructed open space)
Transmitter battery model: CR2032
Transmitter power consumption: less than 10mW
USB interface receiver size: 43*41*32mm / 1.7*1.6*1.3in
Transmitter size: 77*45*16mm / 3*1.8*0.6in
Package size: 13*11*5cm / 5.1*4.3*2in
Package weight:
1 Receiver 1 Doorbell: 78g / 2.8oz
1 Receiver 2 Doorbell: 105g / 3.7oz
Package List:
As you choose
