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 lights, 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.•One (1) outlet with 1 minute intervals. •Battery back-up feature saves settings if power goes out. •Do not use with electronic ballasts. ..•Heavy duty construction with plastic enclosure resists dust and moisture. •15 Amps/120 Volts/60 Hz./1800 Watts. •1 year warranty. •HINT: If not functioning properly, plug in for 5 minutes and press the reset button. This generally fixes any problem.