Descriptions: 1.High-efficiency monocrystalline solar panel with 4W output, providing stable charging under direct sunlight. 2.Built-in voltage regulator IC and anti-reverse flow design, compatible with 4.5V-5.5V devices. 3.Includes Micro USB port and Type-C adapter for versatile connectivity with low-power cameras. 4.Portable design with durability ABS+PC shell and 3 m charging cable for flexible installation. 5.Compatible with For eufy, For Blink, For REOLINK cameras and small electronic devices. Color: Black Material: Monocrystalline solar cells, ABS+PC housing Battery Capacity: N/A Package/Product Size: Product 175*120*15mm, Package 198*128*62mm Included: 1×Solar panel, 1×Bracket, 1×Type-C adapter, 1×Screws kit Compatible Models: Low-power devices (e.g., For eufy/For Blink/For REOLINK cameras) with Micro USB/Type-C (4.5V-5.5V input).