Self-priming: Within 1 meterDiaphragm: 2 ChamberFlow (L/Min):3Press: 7kg(max)Power: 30WColor: BlackVolts: 12VSize: 165*95*60mm Widely use for general water transfer, sprayer pumps, small rain system, or other industry usage.Durable rubber feet, can reduce vibration.Longer lifetime up to 1000 hours.Built-in Check Valve, more convenient to use.Easy Installation.