Features 1Energy Conservation and Environmental Protection: Fans powered by solar photovoltaic panels reduce dependence on traditional energy and reduce carbon emissions for the environment. 2Lightweight and Portable: Detachable solar photovoltaic panel is suitable for use anytime and anywhere, suitable for various indoor and outdoor scenarios. 3Efficient Energy Conversion: 12W solar photovoltaic panel can convert sunlight into electricity, providing stable and sustainable power for fans. 4Low Noise Operation: 12W 12V solar panel powered dan adopts silent design, allowing you to enjoy cool and refreshing without interference. 5Adjustable Wind Speed: Multi range wind speed adjustment to meet different needs and freely enjoy cool and comfortable wind. Specification Item Type: Solar Panel Powered Dual FanProduct Material: Stainless Steel, ABS, Monocrystalline SiliconWeight: Approx. 790g / 27.9ozPower: 12WWorking Voltage: 12VWorking Current: 1AOpen Circuit Voltage: 14VShort Circuit Current: 1.3AOutput: DC 12VFan Wire Length: Approx. 1m / 3.3ftFan Speed: 3200rpmSolar Panel Size: Approx. 28x28.5cm / 11.0x11.2in Package List 1 x Solar Panel2 x Fan2 x Net8 x Screw8 x Nut1 x Connection Line1 x English Manual Note No power storage function