Features: brand new and high quality 500L/H flow speed makes heat dissipation highly efficient. Plug-and-play and can be directly connected to the computer power-supply with a standard 3 pin power connector. 4 meters pump for head gives a powerful heat dissipation, and integrated design of water for tank and pump makes installation very convenient. Acrylic material, beautiful appearance.LED light control is allowed Input voltage: 8-12V; Power connector: 3P+speed test; Noise: 20DB+-5DB, almost zero noise. Specifications: Size: approx 60 X60X 31 for cm/23.62x12.2in Material: Acrylic Performance: Maximum Vertical Height:4 Meters Maximum Flow: 500L/H Input Voltage: 8-12V Power Connector: 3P+Speed Test Noise: 20db+-5db, Almost Zero Noise Weight 320g/0.7lb Leaf Color: Blue/Red/White Thread Specification: International Standard G1/4 Included Accessories: Anti-vibration Pad Package Includes: 1 x Computer Water Cooling Pump note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.