Features: Micro-pump is powered by miniature DC motor drive, drive internal mechanical eccentric motion, driven by an eccentric movement inside the diaphragm reciprocates. Small size, stable and reliable, high efficiency, suction capacity is up to 5L/ min. Low noise, low power consumption. Especially suitable for high negative environmental requirements. No maintenance, no oil, no pollution delivery medium. Micro-pump is mainly used in medicine, gas analysis sampling, instrument and other fields. Specifications: Rated voltage: DC 12V Rated current: 500mA Rated power: 6W Water absorption capacity: 5L/min Vacuum: - 65kpa Maximum pressure: 120kpa Noise: < 60db Size: as the picture Weight: 321g Package included: 1 x Mini Vacuum Pump Package List 1Micro-pump is powered by miniature DC motor drive, drive internal mechanical eccentric motion, driven by an eccentric movement inside the diaphragm reciprocates 2Small size, stable and reliable, high efficiency, suction capacity is up to 5L/ min 3Low noise, low power consumption. Especially suitable for high negative environmental requirements 4No maintenance, no oil, no pollution delivery medium 5Micro-pump is mainly used in medicine, gas analysis sampling, instrument and other fields