1. High Efficiency: Achieve maximum power conversion with A-grade polycrystalline silicon cells and EVA lamination technology, allowing for an impressive 20% conversion efficiency. Harness the power of the sun efficiently. 2. Life Waterproof: Designed to meet basic life waterproof standards, this portable solar panel is wear-, -, and . Please note that it is not suitable for immersion in water. 3. 3 Meters Extra-Long Power Cable: With a long power cable, this solar cell panel provides flexibility for charging your electronic devices both indoors and outdoors, covering a relatively wide area. 4. Continuous Power Supply: Ideal for outdoor wireless cameras, this solar panel ensures uninterrupted and stable electricity from the sun. No more wasting time repeatedly charging your devices, making it more convenient. 5. Wide Compatibility: Featuring a Type-C charging interface, this solar panel offers broad compatibility with rechargeable battery-powered , smart doorbells, mobile phones, and garden lights. proper waterproof protection at the connection point and verify the product's voltage compatibility (5V) before use. Type:Solar Panel Name:2W 5V solar panel charger :Grade A polysilicon Process:EVA lamination Working voltage: 5V Working current: 0-400MA Size:163x94MM/6.42x3.7inch Output port:USB Scope of application:3.7V-5V mobile phones, mobile power supplies and other low-power electronic products Color:As Shown Material:Polycrystalline Silicon Package Contents: 1 * Solar Panel(excluding display carabiner) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.