Description
The Exo Terra Light Cycle Unit Electronic Dimming Terrarium Lamp Controller is an electronic ballast, a timer and a dusk/dawn simulator in one. The timer can be set for three lighting periods: 10, 12 or 14 hours. When a daytime cycle starts it will take about 30 minutes to bring the light output of the bulb to 100%, simulating a natural dawn period. At the end of each daytime cycle it will again take about 30 minutes to go from 100% light output to 0%, simulating a natural dusk period. This is l
