24V 500MA Transformer, AC Power Supply Compatible with All Versions of Ring Doorbell and Nest Learning Thermostat Ecobee, Honeywell, C Wire Adapter with 8M (315") Long Cable
 
Assemble along the wall from your outlet to the doorbell and thermostat without the existing doorbell or wiring. Easy installation and be able to set up in minutes. The cable is 8M(315 inches) long and you do not worry about the distance between the socket and the doorbell. This allows you to easily plug it into an electrical outlet inside or outside your house. It Powers your popular smart thermostats((Nest, Ecobee, Honeywell, Sensi) and doorbells(Ring Video Doorbell, Ring Video Doorbell 2 & Ring Video Doorbell Pro, Nest Skybell, etc.) and other devices that require constant 24-volt power for operation, enables you to charge your devices safely.