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Wireless Doorbell Waterproof Door Bell with 38 Melodies to Choose Adjustable Volume

This Wireless USB Doorbell features a professional waterproof design, can penetrate through 3-4 walls, with a range of to 150 meters in open areas. It has 3-level adjustment and 38 options for personalization. Ideal for use in villas, apartments, offices, shops, warehouses, and more.

Wireless Doorbell Waterproof Door Bell with 38 Melodies to Choose Adjustable Volume: 3-level adjustment and 38 options for personalization, customizable to your preferences.-interference and no false ringing, ensuring normal use.Can penetrate through 3-4 walls, with a range of to 150 meters in open areas, strong and stable signal.Wire-free, plug and play, easy to use.Professional waterproof design, suitable for various places.

Specifications:
Package size: 13*11*5cm / 5.1*4.3*2in
battery model: CR2032
Package weight:
MHz Operating temperature: -10°C~+45°C
Working frequency: 433.92
Colour: White
size: 77*45*16mm / 3*1.8*0.6in
Remote control distance: ≥150 meters (unobstructed open space)
1 Receiver 2 Doorbell: 105g / 3.7oz
Controllable : ≥50dB/1m
USB interface receiver size: 43*41*32mm / 1.7*1.6*1.3in
1 Receiver 1 Doorbell: 78g / 2.8oz
Power consumption: ≤0.25W
power consumption: <10mW
Working voltage: 5V (USB powered)

Package list: As you choose