Specifications:Power:25WOutput: 12V / 24VSize: 540x280x2.5mm (21x11x0.09 inch)Waterproof rate: IP65Rate conversion rate: 19.6-20%Material: Monocrystalline SiliconeColour: BlackFeatures:Used to charge MP3 phones,pads or other controlled devices.You can put the panel in the sun and use it to directly charge the device.Suitable for outdoor biking, mountaineering, hiking, camping, traveling, etc.Package Contents:1 x Solar panelOnly the above package content, other products are not included.Note: Light shooting 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.