Titan Controls Lighting Timer w/ High Temp Shut-Off, Single Outlet - Hades 3 All in one digital lighting timer for use with trigger cord activated lighting systems Set the preferred lighting schedule for a 24 hour period, then dial in the high temp limit and you're set to go! Comes with a battery back-up in case of power failure 20 minute delay to avoid 'hot starts' that could damage your bulb 6 foot temperature probe is accurate to within 2F