Item Type: Solar Panel Material: Polysilicon Weight: Approx. 19g / 0.7oz Product Size: Approx. 40x30mm / 1.6x1.2in Power: 0.15W Working Current: 0.05A Working Voltage: 3V Conversion Efficiency: 18.5% Feature: Without power storage function Uses: Used for rechargeable batteries, home lighting and various low-power equipment, scientific projects, solar water pumps, small solar systems, etc. Package List 4 x Solar Panel 1. Please allow 0& 8209;1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1Selected highquality polysilicon material, durable, durable, weatherproof, and can withstand harsh weather conditions. 2It is very suitable for small home projects, scientific projects, electronic applications, and for charging small batteries. 3Absorbs sunlight and converts it directly or indirectly into electrical energy through photoelectric or photochemical effects. 4Solar charging module, suitable for solar toys, solar lights, solar water pumps, small solar systems, etc. 5Easy to install and disassemble, without power storage function, the photoelectric conversion efficiency reaches 18.5%.