Features: Simple & Eco-friendly: it converts solar radiation into electric energy by absorbing sunlight, then you can charging your personal electronic equipment when you are hiking, climbing, camping, picnic, etc. A Solar panel is a device that converts Solar radiation into electric energy directly or indirectly by means of photoelectric effect or photochemical effect by absorbing sunlight. Foldable & Portable: with 4pcs large inbuilt solar board, the charging device can be folded into as small as a tablet, designed with hanging hole for conveniently hang it on the backpack with the provided climbing clip. Reliable Quality: using the monocrystalline solar panel with frosted PET film, the solar has smooth surface, and is wear resistant, anti-fingerprint. Its waterproof quality allows you to using it at any weather conditions, whether it is rainy or snowy. 3-in-1 USB Charge Cord: with iOS Phone/Type C/Micro USB for charging mobile phones, tablet, laptop, camera, and the cable are braided cord that are not easy to wear out. Other Accessories: package also includes 8pcs adapters, 2pcs climbing clips, a 3-meter DC extension cable, a 1.5-meter DC male to male cable, a 3-in-1 USB charging cable. Specifications: Power: 30W / 40W / 60W (Optional) Material: PET Dual USB Output: 5V/2.0A DC Output: 1.8V 30W: Solar Panel Quantity: 4pcs Solar Panel Size: 255 * 155mm / 10.04 * 6.10in Folding Size: 280 * 190 * 45mm / 11.02 * 7.48 * 1.77in Unfolded Size: 280 * 940mm / 11.02 * 37.01in Item Weight: 1113g / 2.49lb Package Weight: 1302g / 2.88lb Package Size: 39 * 25.5 * 4cm / 15.35 * 10.04 * 1.57in 40W: Solar Panel Quantity: 5pcs Solar Panel Size: 255 * 155mm / 10.04 * 6.10in Folding Size: 278 * 198 * 41mm / 10.94 * 7.80 * 1.61in Unfolded Size: 275 * 1170mm / 10.83 * 46.06in Item Weight: 1309g / 2.90b Package Weight: 1519g / 3.35lb Package Size: 39 * 25.5 * 4cm / 15.35 * 10.04 * 1.57in 60W: Solar Panel Quantity: 6pcs Solar Panel Size: 315 * 215mm / 12.40 * 8.46in Folding Size: 340 * 245 * 55mm / 13.39 * 9.65 * 2.17in Unfolded Size: 338 * 1500mm / 13.31 * 59.06in Item Weight: 2378g / 5.24b Package Weight: 2646g / 5.83lb Package Size: 38 * 34 * 5cm / 14.96 * 13.39 * 1.97in Packing List: 1 * Solar Panel 1 * 3-in-1 Charging Cable 1 * DC Extension Cable 1 * DC Male to Male Cable 2 * Carabiner Clip 8 * Multifunctional Adapter Note: Duetodifferentproductionbatches,thepatternofsolarpanelsaredeliveredrandomly.