All-in-one digital lighting timer for use with trigger cord activated lighting systems! Set the preferred lighting schedule for a 24 hr period, then dial in the high temp limit and you're set to go! It even comes with a battery backup in case of power failure and a 20 min delay to avoid 'hot starts' that could damage your bulb. Enclosure protects from rust, dust, and moisture. 6 ft temperature probe is accurate to within 2°F. 15 Amps/120 V/ 60 Hz.