The Time-R operates like a normal timer but has a multitude of other options for controlled switching that go down to one second intervals if needed. If you want to run a fan/pump with different settings at night, or you want to dispense CO2 using precise dosing at particular times throughout the day, the Time-R has you covered. TIMED MODE: Set precise on and off times, up to 15 times a day REPEAT MODE: Turn equipment on and off, repeating at regular set intervals – from 1 second to 99 hours COMBINED MODE: Using this mode allows you to run your equipment on and off repeatedly at set intervals throughout a 24-hour period. Maximum 3 group settings.
