Features LOW VOLTAGE The interior of the mini air pump adopts a safe low voltage to ensure the safety of the user, and you don't have to worry about electrical leakage and injury during operation. Stable performance: the mini air pump is equipped with a pressure switch and a relief valve to protect the pump from damage and control the normal operation of the pump. Easy to disassemble: the installation and disassembly of the mini air pump is very convenient and simple, which is convenient for the user to use. Quiet running: the noise generated when running the mini air pump is very low and also provides you with a quiet working environment. CORROSION RESISTANCE The mini air pump uses engineering plastics with good performance as shell material, which has good corrosion resistance and durability. Specification: Item Type: Micro Air Pump Material: engineering plastics Air nozzle diameter: approx. 5 mm. Vacuum flow: 2.5-8.0LPM Maximum vacuum: less than or equal to -60 kPa (-450 mmHg) Maximum overpressure: greater than or equal to 100 kpa (750 mmHg) Noise: Less than or equal to 65dB (30cm away) Life test: greater than or equal to 500 hours (continuous). Package list: 1 x micro air pump. Package List 1 x Micro Air Pump