The Apollo 7 – 24 hour 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 minute intervals and run 8 separate schedules per day. The Apollo 7 can be configured in numerous timing schedules to meet the most demanding timing requirements. 1 outlet with 1 minute intervals. Battery backup feature saves settings if power goes out. Enclosure resists dust, rust, and moisture. 15 Amps maximum/120 Volts/60 Hz.