Sollbry Wireless Doorbell, 400M Long Range Waterproof Doorbell Electronic Chime, Chime Kit with Plug-in Receivers for Home, 55 Melodies 5 Volume

Waterproof and easy to install doorbell: The doorbell is IP55 waterproof, has a simple design and is easy to use. Wireless installation is very simple, the button is fixed to the outside wall, the doorbell receiver is plugged into the socket and ready to use 【Ultra reliable transmission distance】1300 feet of reliable wireless signal coverage that will not interfere with your home electronics, ensuring that you will never miss a visitor or package again, and the transmitter battery life can reach 3 years, ensuring an excellent user experience [Multiple ringtones and adjustable volume] 55 ringtones to choose from, with 5 adjustable volume levels, you can hear the clear melody even in another room and on multiple floors. Loud doorbell and flashing LED: The 110 dB loud doorbell and flashing LED are specially designed for the hearing impaired and the elderly, and of course can be set to 0 dB to avoid being disturbed. 【Expandable and 【Support】If you want to extend the doorbell system to