No assembly required, easy and convenient to use. Easy installation (mounting clamp). High quality plastic construction, powerful fans. Increase air movement to reduce heat and humidity. Extend the lifespan of your lighting system. Low power consumption, adjustable wind speed in 2 levels. With an AC adapter , powered by 12V DC. Angle adjustment, perfect for marine aquarium (reef aquarium and frag) and freshwater aquarium. Note: The clamp mount can fit aquarium walls up to 1/2"" (12mm) thick. Specifications: Color: Black Material: Plastic Type : 3 fans Fits tank rim up to : 12mm (adjustable) Cooling 2-4 degrees Power supply: 100-240V 50/60Hz Power supply: DC 12 V 0.6 A p> Item Size: Approx. 20 x 12.5 x 6.5 cm / 7.9 x 4.9 x 2.56 inch Item Weight: 356 g / 12.58 oz package l list: x fans x power supply
