Description Wired 12V Electronic Doorbell For Home Hotel Garden Company Specification: Material: plastic Color: white Power consumption: 12 (W) Working voltage: DC12V Red to 12V ( ), black to GND (-) Working temperature: -10~80 degrees Item size: 85x67x25mm /3.35×2.64×0.98in Features: Outdoor Wired Doorbell for Security Access Control. Equipped with a soft, loud and clear ding dong bell sound. Connect to DC 12V power supply directly. Can be used for a long time. Easy to install, wall mounted. Doorbell Wiring Steps: The positive 12V of the red wire is connected to the positive poles of the power supply The black wire GND is connected to the power supply GND The yellow wire and the green wire of the doorbell are respectively connected to the BELL , BELL- The yellow wire and the green wire are not divided into positive and negative poles. Package Included: 1x Wired Doorbell Color: White Manufacturer Part Number: C222900000 Assembled Product Weight: 3.53 oz Brand: ARCADORA Manufacturer: ARCADORA