Operating instructions:
1. Connect to DC12V power, red wire connect to positive (+) ,black wire connect to negative (-).
2.Connect green wire and yellow wire,there will have two ding-dong. Green and yellow wires are signal wires.
EXTERNAL HARD WIRE DOOR BELL KEYPAD/READER ACCESS CONTROL
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- Dimensions: L87xW62xH23 mm or L3.43xW2.44xH0.90 Inches
- External Hard Wire Door Bell for VIS-3000
