Features 1、Cool And Clean: This is an excellent solution for small chicken coops, greenhouses, sheds, pet houses, window exhaust in the hot summer .The 100W solar panel fan kit can push the heat air out and push the cool air in, which effectively reduces the indoor temperature and keeps the air fresh. 2、Weatherproof Design: The motor part of fan has been coated to prevent rain from causing short circuit or damage, making it suitable for outdoor use in various weather conditions. 3、Energy Efficient And Eco Friendly: Powered by solar energy, the fan operates without the need for electricity. It is a sustainable and environmentally friendly choice for ventilation needs. 4、Sunlight Controlled Fan Speed: The solar fan's speed is greatly influenced by sunlight. It operates at high speed when the sun is directly shining on the solar panel and may slow down or even stop working when sunlight is weaker. 5、Easy Installation: The outdoor solar fan is easy to install, simply connect the solar panel to the fan interface and place it in direct sunlight. It can be installed anywhere you desire, such as greenhouses, chicken coops, sheds, dog houses, window rows, barns, cowsheds, treehouses, lofts, and more. Specifications Item Type: Solar Powered Fan Material: ABS Weight: Approx. 477g / 16.8oz Solar Panel: Approx. 21.5x18.5cm / 8.5x7.3in Fan: Approx. 12x12x2.5cm / 4.7x4.7x1.0in Solar Panel Power: 10W Package List 2 x Protective Mesh 1 x Fan 1 x Connecting Cable 1 x Solar Panel 8 x Screws 8 x Nuts