The Secure Homes Door Bell allows you to set your doorbell tune by selecting from up to 52 chimes. Simply plug the chime into any standard wall socket and you won't ever need to worry about changing the batteries again. Ensure the doorbell is heard throughout your home by connecting up to 50 door chimes and transmitters.
Compatible with all Secure Homes door chime systems.
Touch activated door bell.
52 ringtones and 4 steps volume control(25~110dB).