C.A.P. ART-DNE Hydroponic Day/Night Adjustable Interval Recycle Timer Controller by Cap The C.A.P. ART-DNe Recycle Timer — now backed by Hydrofarm — controls any application requiring a device to be turned on and off at precise intervals. Includes an adjustable on time of 1 second to 40 minutes and an off time of 1 minute to 8 hours. A day /night/ both switch allows you to select the time period that the unit will operate. Features: * Simply plugs into a 15 amp, 120 volt outlet * Control up to 15 amps at 120 volts * ON time of 1 second to 40 minutes * OFF time of 1 minute to 8 hours * Rated for 15 amps @ 120 volts The ART-DNe has a wide range of uses including controlling hydroponic pumps, turning on and off ozone generators, running exhaust fans, etc. https://www.hydrofarm.com/p/CAART-DNE