USB Wireless Doorbell Waterproof Welcome Chime Home Door Bell Intelligent Three-speed Volume 38 Songs Smart Melodies Alarm

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.

(3-speed volume)3-speed volume can be adjusted, and the sound volume can be determined at will. (One to many, many to one)The host can be equipped with multiple buttons, and one button can add multiple hosts. (Wireless Connection ):No need for complicated wiring, the doorbell connects wirelessly to your home security system. (38 Ringtones) :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. (Intelligent Doorbell) :The doorbell is equipped with intelligent features that enable it to distinguish between genuine visitors and unwanted intruders.

Specifications: 1. Working voltage: 5V(USB power supply) 2. power consumption: < 0.25W 3. Working frequency: 433.92 MHZ 4. Working temperature:-10 C +45 C. 5. controllable volume: > 50dB/1m 6. Remote control distance: > 150m (no obstacle in open space) 7. USB interface receiver size: L43xW41xH32mm. 8. Transmitter battery model: CR2032 9. Transmitter power consumption: less than 10mW 10. USB interface receiver size: 43*41*32mm / 1.7*1.6*1.3in 11. Transmitter size: 77*45*16mm / 3*1.8*0.6in

Package List: 1 Receiver 1 Doorbell

Note: 1.Please allow 1-3 cm differs due to manual measurement. 2.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding