ZKTeco USB dongle for air quality detection. ZK-256
- ZKTeco USB dongle for air quality detection
- USB plug-in air quality detector
- Visually monitors the concentration and level of CO2 in the environment in real-time
- USB communication allowing connection to ZKTeco TA or AC terminals via ZKBioseurity software
- Display of the concentration value in 4 levels on the dongle
- High concentration buzzer warning.