Doorbell wire compatible with：24V US power cables for your popular smart thermostats (Nest 1/2nd, Ecobee, Honeywell, Sensi) and doorbells (Ring Video Doorbell, Ring Video Doorbell 2 and Ring Video Doorbell Pro, Nest Skybell, etc.) and other devices that require a constant AC 24 volt power supply, enabling you to safely charge your devices For Ring doorbell plug practicality：Easy and quick solution to the "low battery" problem, which means your video doorbell or thermostat can work for you at any time, without having to remove the battery to recharge, which is what we want it to do for you Upgraded 24V Thermostat Transformer - With the upgraded system, the new adapter is more stable and without noise during use. Continuously transfer 110/120v to 24volt Make your thermostat works more stable and safe. Certificated Safe to Use - Made of high quality fireproof material and pure copper plugs. A waterproofed 196.8in cable is long enough for you to put the thermostat any where higher or lower on your wall. Service: We are committed to providing excellent customer service and your peace of mind is our top priority. We always offer you a two year warranty. If you have any questions about this product, please feel free to contact us via Amazon email or questions and answers, we will solve your problem within 24 hours, your satisfaction is our company's purpose
Special Feature:Short Circuit Protection
Input Voltage:120 Volts
Color:White
Input Voltage:120 Volts
Mounting Type:Wall Mount