Alarm Wire Access Control Door bell For Home Office Access Control System, DC 12V

Doorbell Type:Wired
Model Number:Door Bell
Product Information:
1. Working power: voltage: 12VDC, working current: 20mA
2. Product material: ABS plastic material, anti-oxidation or discoloration
3. Installation method: wall or double-sided adhesive paste
4. Dimensions: 86x86x25mm

Wiring:
Red: +12V
Black: GND
Green: BELL1
Huang: BELL2

Instructions
1. Turn on the DC12V power supply. Connect the red wire to the positive pole (+) and the black wire to the negative pole (-).
2. Green line The two lines of the yellow line are shorted together to make two sounds