This device is a vacuum pump (Vacuum Pump) Model ZXWB-0.5A Manufactured by Beijing Zhongxing Weiyi Instrument Co., Ltd. Specifications: Exhaust speed: 30 L/min. Power: 160 W. Pressure (indicated voltage): 0.08 MPa. Usage: Used to evacuate air from closed systems in laboratory or light industrial applications. Uses: Commonly used in laboratories and precision industrial applications. Here are the most prominent specifications and features of this device: Oil-free: Operates on a dry system, which prevents sample contamination and does not require regular oil maintenance. Accurate measurement: Equipped with two vacuum gauges for precise performance monitoring. Versatility: Used in filtration, drying, distillation, and extraction processes within laboratories.