Designed to protect your expensive HID lights from hot starts, which occurs when your lights are tur..
Master Digital Timer Replacement Probe..
The ILS4 triggered switch boxes from Plug 'N' Grow may be plugged into this external timer to delay ..
The PTC series of photo controllers from C.A.P. are perfect when you need to turn something ON only ..
These don't look like the ones from the hydro store because they are double-junction, flat surface ..