1. Small dimension, save space. 2. Centrifugal fan, speed adjustable; H14 HEPA filter. 3. Motorized front window: The front window is motorized for convenient, one-hand operation. 4. Audio and visual alarm: Abnormal airflow velocity, Filter replacement, Front window at unsafe height. 5. Time reserve function: This can save 30 minutes waiting time after activating the cabinet and the sterilization time after experiment. 6. Remote control: Each function can be realized 6 meters away from the cabinet by remote control, which can protect the operator under emergency. 7. Large LCD display: Operators can check detailed status of the cabinet, such as inflow and downflow velocity, work area temperature and humidity, filter pressure, UV working time and filter working time, filter life indicator etc. 8. With memory function in case of power-failure.