Sell Circuitry & Parts✌wireless doorbell 1sp 2remote ac220v best price

wireless door bell 2 Wireless doorbell, a host, two doorbell switches, two small batteries. Wireless transmission distance, 1 to 6 meters. Whether there are obstacles affecting the spread. This product host uses AC-220v power input. wireless door bell 2 Wireless doorbell, a host, two doorbell switches, two small batteries. Wireless transmission distance, 1 to 6 meters. Whether there are obstacles affecting the spread. This product host uses AC-220v power input. wireless door bell 2 Wireless doorbell, a host, two doorbell switches, two small batteries. Wireless transmission distance, 1 to 6 meters. Whether there are obstacles affecting the spread. This product host uses AC-220v power input. wireless door bell 2 Wireless doorbell, a host, two doorbell switches, two small batteries. Wireless transmission distance, 1 to 6 meters. Whether there are obstacles affecting the spread. This product host uses AC-220v power input.