This is DC mini electric pressure pump. It has been used widely, like blood pressure monitors, various instruments, medical application, automatic machine assembly and vary kinds of machinery, etc. 　 Specification： RRated Voltage: DC6V Rated Current: 0.3A Inflation time: < 10 Second （From 0 to 300mmHg in a 500CC tank.） Max. Pressure: > 450 mmHg （>60KPA >0.6KG) Leakage Max: < 3 mmHg/minute Air Flow Rate: > 2.0 LPM Apply For Air Dimeter: Φ 4.2 mm Size: Φ27*58 mm For any technical support or suggestion, please kindly go to our forum.