Zoo Med Repticare Day Night Timer 8 amps/900 watts Easy to set up For Indoor use only Zoo Med Laboratories Repti Day Night Timer Day and Night Timer turns Daylights on in the morning and off at night and Nightlights on at night and off in the morning Regulate your terrariums photoperiod with this easy-to-use day/night timer Day and Night Timer turns Daylights on in the morning and off at night, and Nightlights on at night and off in the morning Regulate your terrariums photoperiod with this easy- to-use day/night timer