Techgrow T-micro CO2 ohjain. Tämä ohjain vaatii toimiakseen erikseen myytävän sensorin. Suositeltu sensori Techgrow S2 The TechGrow T-Micro CO2 Controller is a digitally controlled device that measures and regulates the CO2 value in a room. Automatically switches between Day/Night settings by means of the external CO2-sensor and light sensor.