NON-STOP POWER SUPPLY: The Solar Charger for Video Doorbell is ideal for outdoor to keep your wireless video doorbell camera getting power from the sun, and you don't have to uninstall your doorbell camera and charge it manually again frequently. | COMPATIBLE DOORBELLS: Equipped with a output interface Micro USB Port (maximum power:2.1W 5.5V DC), Charging line length 25.4mm (1 inch), the Solar Charger for Video Doorbell can be used for most video doorbell rechargeable cameras with a Micro USB port, like Video Doorbell 2020 Release, XTU J1, J6, J7, J7Plus. Dimension: 124mm × 181.6mm × 50mm (4.9 in. × 7.2 in. × 2.0 in.) Please measure the product size and confirm if the product model is available before purchasing. | EASY INSTALLATION: Install the solar charger in a place where there is sunlight at your door, and then install the doorbell on it. Equipped with 40 single crystals on the side and above will be 180 degrees to receive sunlight, keeping your video doorbell camera charged without worries. | WEATHERPROOF EXCLUSIVE DESIGN: With a waterproof design, this solar charger can withstand snow, storms, rain, and other rough weather conditions, exclusive design, is suitable for all with Micro USB port styles of doorbells or outdoor cameras. | 100% SUPPORT & WARRANTY: We provide a warranty for our customers. If this Solar Charger for Video Doorbell fails to meet your expectations, please contact us, and we will try our best to solve it.