Lighting Timer with High-Temp ShutoffAll in one digital lighting timer. Displays the time left in the cycle and if the output is activated. Simply select your day cycle and your wanted lighting period, then set your high temperature shutoff limit with the wanted hot start delay, and you are ready to go. Displays time left in cycle Set total cycle from one of the four preset settings: 12 hours, 16 hours, 20 hours, or 24 hours Set light period from 1 hour to 20 hours Set high temperature