Rated Voltage: DC 6V Rated Current:   650mA@6V 350mA@12V 200mA@24(Inflation Time: < 8 Second (From 0 to 300mmHg in a 500CC tankMax. Pressure: > 500 mmHgAirtightness: < 3 mmHg/minuteAir Flow: > 2.0 LPMNoise: < 60 dBair flow: 3l/minWorking Life: 50,000 times (on 9 sec, off 8 sec as one cycle)   environment:0-50 deg