1. High efficiency polycrystalline silicon solar cells. 2. Equipped with dual USB output interface. 3. Life waterproof, suitable for outdoor use. 4. Comes with 2 carabiners to mount it on the pack via 4 . 5. EVA laminated in one piece for durability even in harsh environments. Can charge 3.6V-5V electronic products/mobile phones/batteries. Power: 60W Working voltage: 5V Output: Dual USB Product net weight: about 185G color:As shown Material:Plastic + Silicon size:30.5 x 20cm Package Contents: 1 x Solar Charging Pad 2 x 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.