Ultra Quiet Micro 370 Oxygen Pump Plus Oxygen Pump Set with Car Charger Adapter for Fishbowl Fish Tank370 pump parameters:Rated voltage: DC12V (3-12V normal use)Rated current: 250mA-12VInflation time: < 10 Second (in the 500cc container、 from 0 to 300mmHg)Maximum pressure: > 450 mmHg (unit conversion value: >0.6KG >60Kpa)Air tight: < 3 mmHg/minuteFlow: > 2 L/minNoise: < 65 dBDiameter: 4.2 mm diameterSize: 27*58 diameter mmPackage include:1 x Air pump、 1 x Car charger adapter、 1 x Silicone tube (one meter)、 1 x Bubble stone