Feature:1. Small size, portable and light weight, it can ensure convenient use in many situations.2. Low voltage equipment, its working voltage range is DC 3V6V, safe and stable.3. Oilfree design, it has no oil discharged from the pump port, no pollution to the environment, no load, and the maximum pressure is above 60KPa.4. Highquality ABS and aluminum material, with a life span of more than 50,000 times tested, durable and long lasting.5. Air tightness below 3mmHg/min, it can ensure the tightness of the whole process, and help the normal delivery of oxygen.Specification:Item Type:Pump MotorRated Voltage: DC 3V-6VRated Current: <900mAWork Rate: 2.4WMaximum Pressure: 60KPaFlow: 2LPMInflation Time: <10sNoise: <60dbLife Test: >50,000 Times (ON 10 Seconds, OFF 10 Seconds)Air Tightness: <3.0mmHg/MinMaterial: ABS+AluminumWeight: Approx. 65g / 2.3oz.Package List:1 x Oxygen Pump Motor1 x Manual