The Apollo 9 Digital Timer operates two devices simultaneously if both products are on the same cycle. Fully grounded, 24-hour programmable, and simple to use the mechanical timer features two outlets and can handle a maximum of 1200 watts and 15 amps. The Apollo 9 timer can be set to 1 minute intervals and run 8 separate schedules per day. Battery backup if the power goes out to save your settings, 1 year warranty. Do not use with digital ballasts.