The optional Smoke Detector (MBS-SD) can alert the user to smoke within their growing area at ALL TIMES. Up to 5 smoke detectors can be connected to a single Hydro-x controller. If ANY of the smoke detectors determine there is smoke in the area, the user will receive a user-alert on their phone to alert them to the potential problem BEFORE the problem gets out of hand. "Sensors should remain dry and clean to prevent premature failure. Do not spray foreign substances or allow water / condensate on the sensors"

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. 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"

Description The optional CO2 Sensor (MBS-S8) measures the CO2 PPM within the growing area. Using the MBS-S8 allows the users to connect and control their supplemental CO2 system using the Hydro-X. *Used in combination with one or more DSC-1 CO2 device modules.