Specifications Material Monocrystalline silicon solar panelPower 1W Working Current 0 200mAShort Circuit Current 200mAWorking Voltage 5VOpen Circuit Voltage 6 2VEfficiency 20 5 Weight Approximately 38gDimensions 148 x 45mmInterface USBCable Length Approximately 50mmFeatures 1 High efficiency monocrystalline silicon solar panel achieving 20 5 conversion rate 2 Lightweight design 38g for convenient setup and portability 3 USB interface for universal compatibility with small electrical devices 4 Energy efficient power supply supporting applications like emergency lights household LEDs and portable fans 5 Versatile usage for small solar powered systems traffic lights solar pumps and more Package Includes 1x 1W Monocrystalline Silicon Solar Panel The phone are not includes