Features: The fan solar panel kits can exhaust indoor hot air and effectively reduce indoor temperature. Operate: When sun shines at the solar panel, connecting the interfaces and the fan can start. When the sunlight is insufficient, the fan will work slowly or even stop working. Easy to use: Place the solar panel in a place that can receive sunlight, install a fan, and connecting it for use. None Wiring usage is flexible. Epoxy resins surfaces lamination, waterproof, improves durability. The solar panel fan kits can be used in homes, greenhouses, utility room, pet houses. Specifications: Component: Monocrystalline Solar panel power: 15W Solar power operating voltages: 12V Output port: Female DC5521 Cable length: 300cm/118inch(with switches) Fan: Fan Power: 2pcs 3W Rating voltages: 12V Speed: 1800RPM±10% airflows: 69.6 CFM Statics Pressure: 2.7 mmH2O Noise levels: 35.7dBA Package Includes: 1set Solar Panels and Fan note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.