The Solar Charger is compatible with Ring Video Doorbell 2nd Gen. It is a secure mounting option for your Ring doorbell which comes with built-in solar panels. With the solar charger battery, it keeps your doorbell charged continuously and extends the battery life of your charger under the presence of sunlight. The Solar Charger Mount is weatherproof and is perfect for outdoor use. It is one of the must-have ring accessories that provide a secure mounting bracket with built-in solar panels(Ring Video Doorbell 2nd Gen (2020 release) NOT Included). Continuously power your Ring Video Doorbell. Keep your Doorbell charged with a few hours of sunlight. Peace of mind throughout the night. Easy to install and use. Compatible with Ring Video Doorbell 2nd gen (2020 release). Not compatible with Ring Video Doorbell 3, Ring Video Doorbell 3 Plus, Ring Video Doorbell 2, and Ring Video Doorbell Wired.