Description
Features : 12V external wired doorbell. easy to install, no need to replace or modify the battery. Long-term durability. Soft, loud and clear voice, Ding-dong ringing. Specification : Voltage: 12V DC Operating Current: 20mA Relative humidity: 40% RH-90% RH Color: White and Silver Material: ABS Plastic Installation: Wall Mounted or Double-sided Adhesive Dimensions: 86 x 86 x 25mm Wiring Diagram : Red: VCC +12V Black: GND Green: BELL1 Yellow: BELL2 Operating Instruction : 1.Connect DC12V power: Red wire to positive (+) and black wire to the negative (-). 2.The green line fast touches yellow line, and it will make Two Ding-dong sound. Package includeds : 1 x 12V External Wired Doorbell Details pictures :
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