An efficient battery pump powered by an internal battery, with 6 modes, which can be adapted to various scenarios. Weight: 1.7kg(59.96oz) Size: 11.1*9.7*4.0 inches(281*247*102mm) Battery Capacity: 8000mAh Inflation Pressure: 8.5kPa Deflation Pressure: 4.4kPa Flow: 360L/min Running Time: Max 45min