Universal Compatibility: This 24V transformer adapter is designed to wide range of smart doorbells, including Ring (2020 release, 3/4/plus, Pro 1/2), Nest, , Skybell, and . It efficiently converts 110/120V AC to 24V DC with a 500mA output, ensuring your doorbell is .<br> Enhanced Safety & Convenience: the hassle of frequent battery replacements with this continuous charging solution. Our adapter ensures your smart doorbell is always powered, enhancing security and convenience without compromising on safety.<br> The included 16.4ft waterproof cable offers flexible installation options, allowing you to position your doorbell in the .<br> Simple Installation: This doorbell transformer is designed for easy setup. Follow the straightforward installation process by running the non-polarized wire along the wall from an indoor outlet to your doorbell. No electrical expertise required.<br> Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on.<br> Voltage:AC120V<br> (Stickers are random, no specified styles are accepted)<br> Color: White<br> Material: plastic<br> Package Contents:<br> 1 * Doorbell Power Adapter<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.