The Apollo� 7 - 24 hr digital timer is the perfect timing solution for your hydro systems. With a 15 Amp capacity, it's easy to set to run your pumps, fans, etc. The Apollo� 7 may be set to 1 min intervals and run 8 separate schedules per day. Can be configured in numerous timing schedules to meet the most demanding timing requirements. One (1) outlet with 1 min intervals. Battery backup feature saves settings if power goes out. Enclosure resists dust, rust and moisture. 15 Amps maximum/120 V/60 Hz. HINT: If not working properly, plug in for 5 min and press the reset button. Generally this fixes the problem.