XINHUI prix bon marché sonnette de porte à choc électrique sans fil avec 2 récepteurs sonnettes pour appartement

The OEM wireless doorbell, model BJ-610B DC, is a modern and versatile solution for homes, apartments, offices, hotels, and workshops. Made from durable ABS plastic, this doorbell operates on a DC 3 AA battery system and includes an attached 12V 23A battery for the transmitter. It offers 36 melody choices and a sound level of 80dB. With a working range of 80-120 meters in open areas and a radio frequency of 325 MHz or 310 MHz, this doorbell is designed for reliable and long-distance performance.