Sell supertravel# 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. doorbell speaker power suport AC 220V doorbell remote powersupport battery 12V23A Quick and easy to install and useWorks within a range of 1 to 10 meters in open spaceNo cumbersome wiring needed to be installedWith 16 musical sounds to choose fromComes with a double-sided adhesive tape for your convenienceDoorbell is battery powered (batteries not included) Remote button battery: 1x 12V 23A battery (included) Doorbell size: 105mm x 75mm Remote button size: 75mm x 43mm