Compatible: The doorbell solar panel is fully compatible with Nest Doorbell (battery), for Ring Video Doorbell 2 (not for 2nd), for Doorbell 3, for Video Doorbell 3+, for Doorbell 4 Plus, for Doorbell 2K Camera. Ideal solution: you do not need to take the doorbell with you every few days to charge it. If you do not have a socket near the doorbell or do not plan to wire the doorbell, solar panels are the best solution. Resistant to extreme weather: The solar panels are well made and have an IP66 waterproofing that can withstand extreme weather conditions, rain, snow, thunderstorms and more. Operating temperature from -5°F to 120°F. 360° adjustable stand, 3.8 m charging cable: thanks to the 3.8 m charging cable, the solar panel can be installed in a sunny place. Thanks to the 360 degree adjustable stand, the solar doorbell can be placed in a sunny direction. Easy to install: The 10W for Nest solar panel is easy to install, you just need to punch holes in the wall, install the solar panel, and then connect the charging cable to the doorbell, it can be attached to the wall or roof. , terrace or other suitable locations to ensure stability and safety.