CCTV 12 Musical Tones Wireless Doorbell - WDB-2004F

Features:

* Easy to install & operate

* 433.92MHz radio frequency

* 12 selectable musical tones

* With LED flashing light function

* Water-resistant bell push

* Approx. 50 meters (in open space) operational distance

* Multiple digital codes to effectively avoid interference

* Low power consumption, 6-month battery life for 10 activation per day