Wireless doorchime

Wireless doorchime with battery operated support two receivers for different rooms using. East to install ,wire free. The distance up to 100 meters with music up to 36 tunes. Different painting available. PCB manufacturing by SMT machine which ensure a stable quality. Pre-set digital code builds unique connection between receiver and buttons which block interference from outside signal. Power saving design with batteries of both receiver and transmitter can be used for 12 months.