Portable Electric Pump Vacuum Suction Cup 8 Inch Heavy Duty Carry Lifter For Tile Glass ,Strong Suction Force

Non-Stop Running Time (One set of fully charged battery, loaded non stop) :2h Working Cycle (Full battery working for 10s and then restart after 8s) :1500times Service Life: 100000+times/800h+ Rated Air Flow: 4 L/min Maximum Vacuum Rate: -0.7Bar(-70kPa)