Aquarium Fans Cold Wind Chiller Water Cooler 2 Fan Heads Characteristics: No assembly required, easy and practical to use. Easy installation (mounting clamp). High quality plastic construction, powerful fans. Increase movement to reduce heat and humidity. Extend the life of your lighting system. Low power consumption, 2 of wind power. With an AC adapter, powered by 12V. Angle adjustment, perfect for saltwater aquarium (reef tank and frag) and aquarium. Note: The clamp mounting bracket can fit on Aquarium walls up to 1/2 "(12mm) thick. Specifications: Color: Black Material: plastic Type: 2 fans Fits tank rim up to: 12mm (adjustable) 2-4 degrees AC adapter: 100-240V 50 / 60Hz Power supply: 12V 0.6A Item size: approx 20 x 12.5 x 6.5cm / 7.9 x 4.9 x 2.56in Item weight: 356g / 12.58 Package list: 1 x fan 1 x power adapter Great Summer Gift: Super cute fairy wand fan, overall design is very linear, has graceful curves, and high-quality texture, making it look valuable. An ideal gift for stylish girls, boys, men, women, and children. Powerful wind & 3-speed setting: This portable handheld fan has built-in 2 copper brushless motors, which are powerful enough to stably drive the fan blades to run at high speed to generate strong wind. The hand fan has 3 adjustable wind speeds, You just need to press the power button to change the wind setting,the wind is strong enough to cool you down quickly. Rechargeable Battery: The personal fan is powered by an upgraded rechargeable battery that keeps it well charged and has a longer battery life, it comes with a charging cable, you can charge it from a regular outlet, computer, or any other device via a USB port. Handheld Fans or Desktop Fans: Handheld and portable fans can work stably and continuously when connected to a power source. Put in the base (included) and it can become a regular desk fan. A full charge takes 2.5 hours. 【Great Customer Service】AURIGATE is committed to excellent product quality and great customer service, and we believe that our products and services can bring you an good shoppingexperience. If you have any questions for our Products, please feel free to contact us. We will be always here until the problem is solved.