Wireless Doorbell Chime,TOWODE Mini Waterproof Doorbell Cordless at 1000 Feet Range,4 Volume Levels&57 Chime Melodies LED Flash for Home Apartment(1 Plug-in Receiver,1 Push Button)

What you will get: 1 Plug-in Receiver, 1 Push Button(Battery Included), 1 User Manual, 1 Adhesive Patch, 2 Screws
Easy to Install: No wires, no holes.Connects quickly and easily.Plug the receiver with LED flashes into a power outlet. Attach the push button on the wall or door frame with adhesive patch or screws
You can choose: 57 different melodies and 4 levels adjustable volume for you choice. It has memory function, no need to reset the previous tone you set after a power outage.