Feature: 1. HIGH AIR FLOWING: Small electric air pump adopts high air flowing, good performance, cylindrical shape. 2. FILLING TIME AND LOW NOISE: 2.4W micro air pump filling time is not more than 5 seconds, fast and convenient, high pump efficiency, low noise. 3. COPPER CORE COIL: The mini air pump is with copper core coil that is safe and stable, good flexibility, not easy to break, not easy to heat up in use. 4. WIDELY USED: This micro air pump is widely used in household appliances, massage, blood pressure monitor, pressure boosting technology. 5. ALUMINUM AND PLASTIC: Micro air pump is made of aluminum and plastic, corrosion resistance and the air nozzle diameter is 4.2mm(0.17in). Specification: Item Type: Air Pump Material: Aluminum, ABS Rated Voltage: DC12V Rated Current: ≤200mA Power: 2.4W Air Nozzle Diameter: Approx. 4.2mm / 0.17in Maximum Pressure: ≥60KPa(450mmHg) Flowing: 0.5-2.5LPM Inflation Time: ≤10sec(From 0 To 300mmHg In A 500cc Tank) Noise: ≤60db(30cm Away) Life Test: ≥ 50000 Times(ON 10sec, OFF 5sec) Gas Tightness: