linptech 1 Emitter+1 Receivers Wireless DoorBell，Door Bell，25 Melodies Bell，Since the power， no need for batteries，BL39
Emitter: No need Battery;Not need power supply access;Innovative Self-Powered Technology. Receivers: AC 85-265V Adaptive
Packaging Details Unit Type: set Package Weight: 0.300kg (0.66lb.) Package Size: 20cm x 20cm x 21cm (7.87in x 7.87in x 8.27in)
Waterproof Wireless Doorbell 100M 36 Songs Door Bell Transmitter + Remote Control Receiver Doorbell EU plug BL32
Features: This set includes 1 piece of door bell receiver， 1 piece of remote control(transmitter). Door receiver can be into an electrical outlet in your home. Remote control range can be up to 100meters. Plug in and use-no set up required. One remote doorbell button， one plug-in doorbells with 36 polyphony sounds. Loud enough to hear at any of the 4 levels of volume and low enough so it won't disturb any sleeping children. Easy to install with the double side adhesive tape and the screws. You can install the doorbells in locations， such as kitchen， back yard， bedroom， etc.
Specifications: Receiver: Working voltage: 220V Working current: 120mA Power: 2W Power charger: EU plug
Customer Review : Many buyers Highly Recommend
