Wireless Doorbell, 400m Range, Waterproof Outdoor Door Chime with 1 Plug-in Receiver, Black

Waterproof Doorbell & Easy Installation - The doorbell is waterproof to IP55 standards, with a minimalist design and simple operation. It's very easy to install wirelessly; the button is mounted on the exterior wall and the doorbell receiver is plugged into the outlet and ready to use Ultra-Reliable Range - 1,300 FT reliable wireless signal coverage without interfering with your home electronics, ensuring you never miss visitors or packages again. The transmitter battery lasts up to 3 years to ensuring a superior user experience Various Ringtones & Adjustable Volume - 55 different ringtones, 5 adjustable volume levels, and clear melodies that can be heard even if you are in another room or several floors away Loud Doorbell and Flashing LED - The 110dB loud doorbell with flashing LED is designed for the hearing impaired and the elderly, and can of course be set to 0dB so as not to be disturbed.