Specification: Item Type: Solar Panel Powered Fan Product Material: ABS Purpose: exhaust fan Power: 15W Package List:1 x Solar Panel 1 x Extension Cord 1 x Exhaust Fan Features Solar Fan: This exhaust fan with 15W solar panels requires no power supply and is suitable for outdoor greenhouses, chicken coops, pet houses, sheds, attics and window ventilation. Green energy, green on Earth. High Airflow: Exhaust fans with high speed double ball bearing motors ventilate your outdoor greenhouse or pet house and keep the air circulating to help your plants or pets have a comfortable environment. Easy to Use: 16 foot long cable for easier use and solar panels with brackets for easy installation. Open and close buttons to control the fan according to your requirements. Prevent air, gas and dust from returning. Tip: The fan only works on the solar panel and there is no battery to store the electricity. If the day is cloudy or there is shadow on the solar panel, the performance of the solar fan will decrease dramatically, which may cause it to operate at a lower Nice Exhaust Effect: This exhaust fan has 6 leaves, which makes the exhaust effect better and provides enough air for the room.