1、STRONG COMPATIBILITY: The solar panel is fully compatible with popular doorbell models such as for Google Nest Doorbell (battery), for Ring Video Doorbell 2 (not for 2nd), for Doorbell 3, for Video Doorbell 3+, for Doorbell 4 Plus, and for Doorbell 2K Camera. 2、ENDURE EXTREME WEATHER: With an IP66 waterproof rating, the solar panel can withstand rain, snow, thunderstorms, and more. It operates reliably in temperatures ranging from ‑5°F to 120°F, ensuring consistent performance even in harsh weather conditions. 3、360 DEGREE ADJUSTABLE BRACKET: The solar panel comes with a 360 degree adjustable bracket, allowing you to position it to maximize sunlight exposure. It also includes a 9.8ft charging cable, ensuring flexibility in installation and placement in sunny spots. 4、TIME SAVING CONVENIENCE: The solar panel eliminates the need for frequent recharging and solves the problem of having no wall socket or wiring near your doorbell. Enjoy uninterrupted power for your doorbell. 5、EASY INSTALLATION: Simply drill holes on the wall, mount the solar panel, and connect the charging cable to your doorbell. It can be securely fixed on wall, roofs, yards, and more, providing stable power source for your doorbell system. Item Type: Solar Panel for Doorbell Material: ABS, Monocrystalline Silicon Power: 12W Working Voltage: 5V Open Circuit Voltage: 6V Output Current: 830mA Maximum Charging Cable Length: 300cm / 9.8ft Compatible with: for Google Nest, for Doorbell 2K Camera, for Ring Video Doorbell 2, for Doorbell 3, for Video Doorbell 3+, for Doorbell 4 Plus 1 x Solar Panel 1 x Base 1 x Bracket 4 x Screws 4 x Expansion Tube