Feature: 1. Compact size, convenient and practical. 2. Multifunctional, can pump air, inflate air, increase oxygen, etc. 3. Mainly used in the aquarium, fish tank oxygenation, also used for separator, mobile phone dismantling screen, etc. 4. Air vacuum pump, high efficiency, energy saving, good performance. 5. Increase oxygen, create good living environment for fish. Specification: Item type: Air PumpCondition: 100% brand newMaterial: plasticWeight: Approx. 328gColor: As picture shownAir pump total length: Approx. 112mm/4.4inPump head outer diameter: Approx. 60mm/2.4inPump head thickness: Approx. 43.5mm/1.7inMotor diameter: Approx. 35.8mm/1.4inVoltage: DC12V (motor model is 555, please use less current than 2A.) Rated current: 800mA Vapor time: 400 mmHg (53.33 KPa) Air tightness: 15L/ Min Noise: