Wireless USB Doorbell Waterproof Welcome Chime Home Door Bell Intelligent 38 Songs Alarm Easy to Install No Wiring Required

• Wireless Connection :No need for complicated wiring, the doorbell connects wirelessly to your home security system.
• 38 Songs Smart Alarm :Choose from 38 different songs to play when the doorbell is rung, adding a personal touch to your home security.
• Waterproof Design :The doorbell is designed to withstand harsh weather conditions, ensuring it remains functional even in rainy seasons.

TechnicalParameter
1. Working voltage: 5V (UsB powered)
2.Power consumption:≤0.25W
3.Operating frequency: 433.92 MHz
4.Working temperature:-10°C~+45°C
5.Controllable volume:>50dB/lm
6.Remote control distance:>150 meters (accessible in open spaces)
7.USB interface receiver size:L43xW41xH32mm
8.Transmitter battery model: CR2032
9:Transmission power consumption:<10mV
10.Transmitter size:L77xW45xH16mm