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. specification: 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. s: Model: XHC8 computer water cooling pump Weight: 294g Size: Approx. 7.8*5*5cm/3.07*1.97*1.97inch Thread size: G1/4 (2 points) The actual outer diameter is 12.9MM Material: engineering plastic Flow rate: 600H/L Range: 4 meters Voltage: 12V Cover surface treatment: polishing Package List: 1 * Water cooled pump 1 * Accessory kit 2 * BAracket Note: 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.