TrolMaster - Legacy Hawkeye 3-in-1 Monitor & Logger (Temp/Humid/CO2) Sensor, Ethernet Adapter, Free Smartphone App nutrients-and-supplements Designed exclusively for Hydrofarm by

Designed exclusively for Hydrofarm by America's foremost lighting design engineers

odor resistant

The reduction of oxygen to the roots from bio-film formation is the major cause of root rot

Probes for liquid and direct soil measurement

flexible installation

TrolMaster - Legacy Hawkeye 3-in-1 Monitor & Logger (Temp/Humid/CO2) Sensor, Ethernet Adapter, Free Smartphone App nutrients-and-supplements Designed exclusively for Hydrofarm byThe Hawkeye from TrolMaster provides an economical and accurate method to monitor an enclosed space. Some users simply need to monitor the temperature, humidity and CO2 and VPD levels without the need to actually control any devices. The CM 1 Hawkeye is designed specifically to be used as a back up monitoring system to ensure environmental conditions stay within acceptable limits. The Hawkeye comes COMPLETE with everything you will need to measure