Feature:1. VERSATILE USE: This small solar panel has multiple uses. It can be used for school science projects, technology production, outdoor activities, LED lights, solar lights and so on.2. DIY FUN: The solar cell is a kind of DIY solar panel, which is characterized by flexible combination and can be run in series or parallel. You can choose different numbers and arrangements of small solar panels according to your needs and site conditions.3. 4W POWER: Small solar power panels with 4W power can meet the demand of school teaching and DIY handcraft. Utilizing solar photovoltaic principle, energy saving and eco friendly.4. MONOCRYSTALLINE SILICON: Small solar panels are made of high efficiency monocrystalline silicon material, with high conversion efficiency, heat resistance and stable performance, providing stable and reliable charging performance.5. 5PCS PACK, COMPACT SIZE: 5pcs small solar panels pack, enough quantity to meet your actual usage needs. Compact size and light weight, easy to carry.Specification:Item Type: Small Solar PanelsMaterial: Monocrystalline SiliconWeight: Approx. 180.00g / 6.35ozSize: Approx. 12x7cm / 4.7x2.8inPower of Single Solar Panel: 4W.Package List:5 x Small Solar Panels Note:1. Without Power Storage Function.2. Please allow some error in manual measurement.