Designed for ventilation purposes, this eco-friendly and energy efficient exhaust fan kit operates completely on solar . The 20W solar panel powers the dual fans, which are perfect for use in a variety of structures such as chicken coops, greenhouses, kennels and sheds. These fans aid in reducing temperatures by promoting efficient circulation. As a , they enhance the cooling effect and provide a comfortable environment for your pets or any other structures that require ventilation. <> <> Features: <> Dual Fan Design: The dual fan design ensures a constant of , quickly removing hot, stale and replacing it with cool, . <> High-Efficiency Solar Panel: The fan is equipped with a 20W monocrystalline silicon solar panel, ensuring high conversion efficiency. <> Powerful Cooling Performance: The double fan design, with an of 152.6CFM and a rotational of 2200RPM, ensures and stable heat dissipation. <> Eco-Friendly & Energy-Saving: Powered by solar energy, this dual fan system is not only but also helps to reduce electricity costs, making it a sustainable choice for your ventilation needs. <> Wide Application: The solar fan is perfect for the hot season, providing efficient cooling and ventilation for chicken coops, greenhouses, sheds, houses, RVs, and as a window exhaust. <> <> Specifications: <> Item Name: Solar Panel Fan <> Main Material: ABS <> Solar Cell: Monocrystalline Silicon <> Solar Panel : 20W <> Solar Panel Working Voltage: <> Solar Panel Size: 360*330*3mm/14.17*12.99*0.12inch <> Output Port: Female DC5521 <> Cable Length: 150cm/4.92ft <> Fan : 3W*2 <> Fan Size: 30.1*16*3.6cm/11.85*6.3*1.42inch <> Fan : 152.6CFM <> Fan : 2200RPM±10% <> Static Pressure: 2.7mmH2O <> Color: Black <> <> Package Information:  <> Package Size: 38*34*5cm/14.96*13.39*1.97inch <> Package Weight: 1115g/2.46lb <> <> Package List: K22730 <> 1 * 20W Solar Panel <> 1 * Dual Fan <> 1 * 2-in-1 Cable <> 8 * Cable Tie <> 1 * Manual <> <> Note: The of the fan is greatly influenced by sunlight. When the solar panel is directly exposed to the , the fan can reach a of 2200 rotations per minute. However, when the sunlight is weak, the fan may operate slowly or even stop. The solar fan does not have a built-in and can only function during the day.