This Wasserstein Blink Video Doorbell solar panel charging mount is compatible with the Blink Video Doorbell and a great addition to your blink doorbell sync module, eliminating downtime from frequent battery swaps. This charger which acts as a Blink Video doorbell standalone mount, powers your doorbell completely with solar energy, providing maximum power to your doorbell when mounted in direct sunlight, making it an efficient green solution that won't add a cent to your energy bill. This Blink doorbell synch module is built rugged and weatherproof, making it perfect for continuous outdoor use. The simple design makes it easy to install, simply mount the solar charger and press in your Blink Video Doorbell - for seamless connectivity within minutes. No need to replace blink doorbell battery anymore as this acts as a great substitute.