Feature: 1. Monocrystalline Silicon: Solar cell is made of high efficiency monocrystalline silicon material, which converts solar energy into electricity and ensures stable and reliable charging performance. 2. DIY Use: Solar cell kit, 2W power, can meet school teaching and craft DIY needs. Suitable for school experiments, science and technology production, outdoor activities and other various scenes. 3. Eco Friendly: Small solar panel kit, utilizing solar photovoltaic principle, can be freely combined, can be run in series or parallel, energy saving and environmentally friendly. 4. Easy To Use: You can choose different numbers and arrangements of small solar panel according to your needs and site conditions to meet your requirements for solar power system. 5. Lightweight And Portable: This solar charging panel is very small and lightweight, does not take up space and is easy to carry. Perfect for outdoor, traveling, hiking and camping scenarios. Specification: Item Type: Solar Cell Material: Monocrystalline Silicon Size: Approx. 8 x 6cm / 3.1 x 2.4in Power of Single Solar Panel: 2W (Without Storage Function) Application: for School Science Projects, LED Lights, Solar Lights, Solar Landscape Lights, Solar Mobile Phone Chargers, Solar Flashlights, and Various Small Solar Toys Gross Weight: Approx. 100g / 3.5oz. Package List: 3 x Solar Cell3 x Accessory Note: Manual measurement, please allow some errors.