C.A.P. ART-DNe Adjustable Recycle Timer 

The C.A.P. ART-DNe adjustable recycling timer controls any application requiring a device to be turned ON and OFF at precise intervals. Replaces the previous verions of CAP ART-2 and ART-3 timers. 

It's compact to fit nearly anywhere, and simple to use. Simply set the ON and OFF time dials at the desired intervals and plug it in.

The ART-DNe timer has a user adjustable ON TIME of 1 second to 40 minutes plus adjustable OFF TIME of 1 minute to 8 hours.

A new feature for this CAP timer is a day/night/both switch allows you to select the time period that the ART-DNe will operate.

The ART-DNe timer has a wide range of uses including controlling hydroponic pumps, simple CO2 controllers, ozone generators, exhaust fans, etc. Plugs into existing standard house outlet (15 amp, 120 volt).

Temperature control range: 50-115° F
Temperature operating range: 32-120° F
Three year warranty.

More info from the Manufacturer (PDF format - Lots of detail.)