TrolMaster - MBS-TH Temp/Humidity/Light 3 in 1 Sensor

TrolMaster - MBS-TH Temp/Humidity/Light 3 in 1 Sensor. The 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" Features 1 x 3-in-1 Temp/Humidity/Light Sensor 1 x 16ft RJ12 Cable 1 x RJ12 T-Splitter