TrolMaster - Legacy Hawkeye 3-in-1 Monitor & Logger (Temp/Humid/CO2) Sensor, Ethernet Adapter, Free Smartphone App grow-light-ballasts (24) Buckle screws

(24) Buckle screws

shortens harvest times

ppm 500 and ppm 700

4 individual color comparators for pH

TrolMaster - Legacy Hawkeye 3-in-1 Monitor & Logger (Temp/Humid/CO2) Sensor, Ethernet Adapter, Free Smartphone App grow-light-ballasts (24) Buckle screwsThe 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