Cycle timer with day/night detection Controls any application requiring a device to be turned on and off at precise intervals. This timer has a wide range of uses including controlling hydroponic pumps, CO2 injection, turning on and off exhaust fans, misters and more. There is no programming required—it is easy to set and operate. Cycle timing is adjustable for operation during the day, night, or 24 hours. Just turn the dials to select the scheduled On/Off cycle times. The timer can be adjusted for day only, night only, or day and night operation. Controls 120V pumps, fans, and more on a periodic repeat cycle Adjustable "ON" duration spans from 1 second to 40 minutes Adjustable "OFF" duration spans from 1 minute to 8 hours Functions during the day, during the night, or 24 hours Photocell detects night and day cycles
