Features:1. Suitable for DIY players to assemble their own cooling device.2. Built-in silicone seal for the pump.3. Silent, stable, easy to install, waterproof, support diving.4. With long service life time.5. Excellent quality and durability.Specifications:Model: XHC8 computer water cooling pumpWeight: 294gSize: Approx. 7.8*5*5cm/3.07*1.97*1.97inchThread size: G1/4 (2 points) The actual outer diameter is 12.9MMMaterial: engineering plasticFlow rate: 600H/LRange: 4 metersVoltage: 12VCover treatment: polishingPackage List:1 * Water cooled pump1 * Accessory kit2 * BAracketNote:1. Please test with the water. It is strictly forbidden to idling without water, which will easily lead to damage to the pump.2. This pump is strictly prohibited from overpressure (12V). Please make sure that your power supply is suitable before use.