Feature: LOW VOLTAGE: The interior of the mini air pump adopts safe low voltage to ensure the safety of the user and no need to worry about the leakage of current and injury during operation. QUIET OPERATION: The noise generated during the operation of the mini air pump is very small and also provides a quiet working environment. STABLE PERFORMANCE: The air pump is equipped with pressure switch and excess valve to keep the pump away from damage and control the normal operation of the pump. CORROSION RESISTANCE: Mini air pump uses construction plastics with good performance as a coating material that ma good corrosion resistance and durability. Specification: Item Type: Air Micro Pump material: Construction plastics Air Nozzle Diameter: Ok. 5mm / 0.2 inch Vacuum flow rate: 2,5-8,0 LPM Maximum vacuum: less than or equal to -60Kpa (-450mmHg) Maximum overpressure: greater than or equal to 100Kpa (750mmHg) Noise: less than or equal to 65db (at a distance of 30 cm) Life test: greater than or equal to 500 hours (continuous) List of packages: 1 x Air Micro Pump Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.