2+1 36 Songs Music LED Light Wireless Remote Control Smart Doorbell
DC/AC Wireless Remote Control Doorbell Bell Chime 150Meter Range
36 Music Songs Wireless Remote Control Button + 2 Doorbell Receivers 


Features : 
Easy to install, no wire needed, and tiny price.
Intelligent flash light function.
Up to 100m Operating radius.
Wireless easy mounting design never affects your inner decoration.
All-day long anti-interference system - prevents the doorbell from interferences outside or between neighbors.
Energy saving and the battery inside the button can last up to for one year(20 presses per day).

Very easy to use :
Put the alarm unit around you, and the button unit install at somewhere like door or gate or window or someone's home need care, when he/she press the button, the alarm will ring the music as you set, to alarm you where is needed : )
Ideal for homes, offices, guest rooms, hotels, hospitals and etc. Alternatively, it can be used as a message paging alarm for the patient or babies.

Specification : 
Tones : 36
Color : Mainly White
Working distance : 150 meters or 490 feet
Each chime uses 2 AA batteries (not included)

Package includes : 
2 x Wireless Doorbell
1 x Remote Control