Features: High power, well sealed and water proof - Safe and convenient. This is a computer water cooling water pump system, including water tank, bracket, water pump - Simple assembly, convenient for your choice. Ceramic bearing, graphite sleeve, very quiet. Best performance DIY - With a quiet water cooling setting, it will cool your CPU to an average temperature. High efficiency, energy saving, super quiet design, high lift, durable, good insulation performance. N ote: No running without water when using. Specification: Pump parameters: Thread: G1 / 4 Model: AW500SJ Voltage: 12V Power: 19W Water flow: 800L/H Water lift: approx. 5M / 16.4 ft Power interface: large 4pin Tank parameters: Size: approx. 240 * 50 * 50 mm / 9.4 * 2 * 2 inch Outside diameter: approx. 50mm / 2 inch Inside diameter: approx. 40mm / 1.6 inch Thread: G1 / 4 Product size: approx. 32 * 5 * 5 cm / 12.6 * 2 * 2 inch P ackage List: Water pump water tank *1 Plastic support *2 L support *2 Screw bag *1 .