The Grozone TP24H 24hr Timer & High Temp Shut Off system is designed to prevent the grow room from overheating. There is a temperature setpoint between 70°F and 120°F (21°C to 49°C) and a 6 foot cord with temperature sensor precise to 2°F / 1°C.
The on time range is for 12, 14, 16 or 18 hours. This unit can start on either the OFF or the ON cycle. An Internal 24-hour Clock will maintain the ON/OFF cycles for a minimum of 48 hours during a power outage.