Feature: 1. Efficient Charging: 4W monocrystalline silicon solar panel provides high charging efficiency, ensuring long lasting device use. With strong durability and ensures long term stability and reliability. 2. Environmentally Friendly: Solar powered, no external power source needed, saving energy and being both eco friendly and effective. This higher conversion rate ensures continuous power for your camera. 3. Monitoring Function: Charges doorbells, cameras, and other monitoring devices to ensure long term operation. Compact and small design, easy to install on any security equipment. 4. Versatile: Compatible for doorbells and other solar monitoring devices, convenient and practical. Enjoy the flexibility of our solar panel with its adjustable bracket. 5. Easy Installation: Lightweight and portable, simple to install, suitable for indoor and outdoor use. The bracket can allow solar panel to receive sunlight at the most suitable position, and the installation is very flexible. It is very easy to connect the solar panel to the camera. Specification: Item Type: Security Camera Solar Panel Charger Material: Monocrystalline Silicon Solar Panel Power: 4W Solar Panel Working Voltage: 5V. Package List: 1 x Solar Panel1 x Bracket1 x Conversion Cable 1 Pack x Screw Accessories (8pcs)