Customer Reviews for Carlon White Decorator Wireless Battery-Powered Door Chime

Can be used for new installation or to replace existing broken systems. No wiring, hassle free installation. Simply mount button at door and receiver anywhere you like! 150-ft. range,13 different sound options, low-battery indicator, adjustable volume control. Front door/back door differential. Can be expanded with additional buttons or receivers. Includes two long-life lithium button batteries.