3-in-1 Sensor for Hydro-X only（MBS-TH)

3-in-1 Temp/Humid/Light sensor for the Hydro-X system.
 
 
Note: This is a replacement or spare part. The main controller comes with a sensor already.
 
  "Sensors should remain dry and clean to prevent premature failure. Do not spray foreign substances or allow water / condensate on the sensors"