TECKNET Wireless Doorbell, Wall Plug-in Cordless Door Chime at 820-feet Range with 32 Chimes

TeckNet WA658 Wireless Doorbell: No batteries are needed for this plug-in door chime. The TeckNet WA658 door chime conveniently plugs into UK standard wall outlet for the simplest installation and operation. Plugs into Any Standard Wall Outlet: Easy to install and operate, it plugs into any standard wall outlet. Use it for front, side, or back doors to gain security and peace of mind. 4 Volume ...