Universal Compatibility: This adapter is perfect for various doorbell models including Ring Video Doorbell Pro/2, Nest Hello, , and more. It ensures your doorbell is always powered and ready to record. Extended Reach: With a generous cable length of 315 inches (8 meters), this black charger cord offers flexible installation options, allowing you to place it far from power sources without compromising on setup. Effortless Installation: Features 2-pin non-polarity wires for a hassle-free setup. The long 26 ft cable can be easily routed along walls from your outlet to the doorbell or thermostat, suitable for both indoor and outdoor use. Enhanced Safety: Designed with premium materials to prevent common electrical issues such as short circuits, overvoltage, and overheating. This adapter ensures safe, reliable charging for your doorbell devices. Compatibility Check: Before purchasing, please verify that your doorbell model is listed in the product details to this adapter meet your needs.