Jacks Suntimer is the intelligent control unit to automatically adapt your Jacks 1m² Killer LED Grow Light to the light needs of your plants. With it you can control up to 3 channels by setting the desired intensity at the desired time. Jacks Suntimer also replaces a timer and can control up to 25 Jacks 1m² Killer LED Grow Light per zone. This means that up to 50 Jacks 1m²...