Features: The vacuum pump has high efficiency, low noise, low vibration, long service life and temperature resistance, can pump gas or liquid, has good cycle stability, and can operate continuously for 24 hours. The pump has sufficient suction power and is suitable for most DIY projects or vacuum adsorption automation equipment. specification: Rated voltage: 12V. Vacuum degree: -75KPA. Maximum pressure: 220KPA. Rated power: 12W. Working noise: 60DB. Air flow: ≥12LPM. Entrance and exit diameter: 6mm. Size: 86x 66x 40mm. Life: 24-hour continuous operation life is 800H, if intermittent life will be extended. package includes: 1x Microvacuum pump. 1x 1m silicone tube.