The Apollo? 8 - 24 hr timer is the perfect timing solution for your hydro systems. With two outlets and a 15 Amp capacity, it's easy to set to run your pumps, fans, etc. The Apollo? 8 has 96 non-detachable 15 min trippers and can be configured in numerous timing schedules to meet the most demanding timing requirements. Two (2) outlets. 15 min intervals. Heavy-duty construction. Easy to use and simple to operate. Enclosure resists dust, rust and moisture. Do not use with digital ballasts. 15 Amps maximum/120 V/60 Hz.