TC420 LED Controller

Our LED lights were designed to be able to grow high light intensity plants.  But, generally, high intensity is only necessary for a couple of hours per day.  In order to get a natural, gradual, sunrise, dwell, sunset lighting cycle, an advanced controller is desired.   When ordering the TC-420, we need you to specify the options you would like in the notes section of the order.  Here are the options you can choose: Light programing duration: 11 hours 12 hours 13 hours 14 hours Intensity Profile: Low (30 minutes at 100% intensity) Medium (2 hours at 100% intensity) High (4 hours at 100% intensity) Extra High (6 hours at 100% intensity) If you do not specify which profile options you would like, we will automatically send you a controller programmed with 12 hours of light duration and medium intensity. We also now offer a night light option when you purchase a TC-420.  The night light option reduces the number of full strips in the LED array from six to five, then adds back in a par