AVANTEK Wireless Door Bell, Mini CB-11 Waterproof Doorbell Chime Operating at 1

Features: SIMPLE SETUP: Just plug the mini receiver into a socket and fix the transmitter on a wall with the accessories provided; includes 2 screws, 2 anchors, a key and a piece of double-sided bonding tape 300 M/1000 FT ULTRA LONG WIRELESS RANG...