Feature: 1. WIDE APPLICATION: Micro air pump is widely used in household appliances, medical, beauty, massage, adult products, blood pressure monitor, adult products, massager, essential oil machine, pressurization technology 2. CORROSION RESISTANT MATERIAL: The mini air pump is made of excellent aluminum and plastic, corrosion resistant and durable 3. HIGH EFFICIENCY WITH LOW NOISE: Filling time of miniature vacuum pump is not more than 5 seconds, which is fast and convenient, high efficiency, low noise and long service life 4. PERFECT REPLACEMENT: Small electric air pump has high air flow, good performance, with shaft and 2 terminal connectors, perfect for replacing rusty or damaged DC speed motor on machine, mini size design, easy to install, offering a lot of convenience 5. SAFE AND STRONG: The motor is made of engineering plastic, with explosion proof safety performance, high strength, not easy to damage, stable and durable, easy to install and use Specification: Item Type: Mini Air Pump Rated Voltage: DC3V Rated Current: ≤400mA Air Nozzle Diameter: Approx. 3.1mm / 0.12in Maximum Pressure: ≥50KPa(375mmHg) Traffic: 0.3-1.0LPM Inflation Time N: ≤8S(from 0 to 300mmHg in a 100cc tank) Noise: ≤60db(30cm away) Life Test: ≥30,000 Times(ON 10 seconds, OFF 5 seconds) Air Tightness: ≤3.0mmHg/min(from 300mmHg in a 100cc tank). Package List: 1 x Mini Air Pump