Features: Brand new and high quality Designed for easy use, simply connect the solar panel to the fan interfaces and let it work under sunlight. The fan operates at a faster speed when exposed to direct sunlight and slows down or stops working when sunlight is weaker. Enhancer the comfort of your furry friends in their dog house or chicken coop with this energy efficient solar powered fan. Say goodbye to stuffy and hot conditions, and create a pleasant living space for your pets. Keep your pets shelter cool with this waterproof exhaust fan powered by a 10W solar panel. This solar powered fan effectively reduces indoor temperature by pushing out hot air and bringing cool air, making it perfect for chicken coops, greenhouses, sheds, pet houses, and window vent. With its waterproof coating, the solar panel is resistant to rainwater, ensuring a long lifespan and suitability for outdoor environments. Please note that the USB interfaces should not come into contact with water. Specifications: Material:Single Crystal Silicone Maximum power: 6W Open circuit voltage: 20V Maximum power voltage: 18v Short circuit current: 0.35A A. Maximum power current: 0.3A Output: USB 5V DC18V Size:Approx.21x17.5cm/8.26x6.88inches Package Includes: 1 Set Exhaust Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.