🔋 Power Up Your Doorbell with Sunshine! Keep your doorbell powered with solar energy! Enjoy longer recording times without frequent recharges. Set up in minutes for hassle-free power. Built to withstand rain, snow, and storms. Works with most video doorbell models. Waterproof Design Micro USB Compatible 5V 2.1W Power The Solar Charger for Video Doorbell 2nd Gen 2020 is a non-wired, waterproof solution that provides continuous power through a 5V 2.1W Micro USB port. Designed for outdoor use, it ensures your doorbell remains operational in all weather conditions while maximizing sunlight exposure for optimal performance.