【High Efficiency】Utilizing high-quality monocrystalline silicon solar cells, this solar charging panel achieves an impressive conversion efficiency of up to 20.5%, ensuring optimal power generation. 【Dual Output Compatibility】Equipped with both Type-C and Micro USB output interfaces, this solar panel offers wide compatibility with various security monitoring devices. 【Flexible Installation】Comes with a bracket base for easy and flexible installation, adapting to different mounting scenarios. 【Ready to Use】Installation screws and expansion tubes are included, allowing for immediate setup right out of the box. 【Ample Cable Length】Features a sufficiently long cable, ensuring flexible and convenient wiring options for various installation requirements. Specifications: Material: Monocrystalline silicon solar panel Power: 5W Working Current: 0-1000mA Working Voltage: 5V (charges 3V-5V batteries) Product Dimensions: 197 x 167 x 10mm Interface: Type-C with Micro USB adapter included Cable Length: Approximately 3m