[EFFICIENT ENERGY SAVING DESIGN] 20W solar fan with built-in switch for easy control and extended lifespan. [QUICKLY COOLS DOWN] Efficiently exhausts air to cool down quickly, providing a comfortable environment for you and your pets. [VERSATILE APPLICATIONS] Suitable for RVs, greenhouses, pet rooms, and homes. [EASY TO CARRY AND INSTALL] Lightweight and easy to install, enjoy a cool breeze anytime, anywhere. [CONTINUOUS POWER SUPPLY] Provides 12V DC power for continuous operation even when solar power is low., Manufacturer: Jelquix