Features 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%. Specification Item Type: Solar PanelMaterial: PolysiliconWeight: Approx. 19g / 0.7ozProduct Size: Approx. 40x30mm / 1.6x1.2inPower: 0.15WWorking Current: 0.05AWorking Voltage: 3VConversion Efficiency: 18.5%Feature: Without power storage functionUses: 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 Note 1. Please allow 0‑1 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.