Wireless Doorbell, 45 Melodies, 5 Volume Levels, IP55 Waterproof Wireless Doorbell, 300m Doorbell Kit, LED Flash, 2 Plug-in Receivers Wireless Doorbell, 45 Melodies, 5 Volume Levels, IP55 Waterproof Wireless Doorbell, 300m Doorbell Kit, LED Flash, 2 Plug-in Receivers Highly Efficient Transmitter: Consumes very little power; Uses a CR2032 lithium battery with a maximum life of 3 years; Is IP 55 dust and waterproof; Works in a temperature range of -4°F to 140°F; 5 Ringtone Options: 40mm stereo speakers deliver rich, clear sound; 4 adjustable volume levels with a maximum intensity level of 85 dB and LED light to help hearing impaired people remember. Easy Plug and Play Installation This wireless doorbell is easy to install and use, just plug the receiver into a household wall outlet and use the included 3M double-sided tape to mount the transmitter box outdoors. Installation completed in 3 minutes! No need to pull a string, just drill into the wall! Product Description Brand new and high