Wireless doorbell, range of 100 meters. Wireless doorbell, range of 100 meters.

Easy installation: Simply insert the batteries to enjoy your new doorbell. In open areas, the transmitter and receiver can be up to 100 meters apart. Transmitter (key): 23A 12V (battery not included). Receiver (doorbell): operates on 2 AA batteries (not included). The product comes with double-sided adhesive for direct mounting on security doors. Screw holes are pre-drilled on the back for wall mounting. Due to differences in screen displays, the actual color of the product may differ slightly from the image shown.