Features:* Dual USB female ports, easily charge the device via USB charging cable.* You can put the panel in the sun and use it to directly charge the device.* Very suitable for outdoor cycling, mountaineering, hiking, camping, traveling, etc.* Efficient, with a conversion rate of 23-24%.* Easy to install and install.Specification:Name: Solar Panel Folding BagMaterial: monocrystalline siliconPower: 100WVoltage: 12VScope of application: bicycle, mountaineering, hiking, camping, tourism, etc.Expanded size: 78 * 57cm / 30.7 * 22.44inchShrinking size: 28.8 * 16 * 3cm / 11.34 * 6.3 * 1.18inchPacking Included:1 X Solar Panel Folding BagNote:1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.