High Quality DC12V Electronic Door Bell For Door Access Control System B08 Here is a high quality electronic door bell can connect with access control keypad which has door bell button, sound is ringing and the volume is high, power on by access controller, no need additional battery, also you can connect extension cable and installed at any place you like.
Use: Access control system
Power: DC12V, no need battery.
3 tones optional .
Size: 86 x 86 x 23 mm
4 wires connection 1)Red:+12VDC 2)Black :GND 3)Yellow :Door Bell 4)Green : Door Bell
Package: Weight:01KG When Yellow and Green short circuit, Doorbell will sound Ding Dong.
Application Door Entry Minder Access Control Electric Lock System.
Complaint
