Digital LCD screen7 time cycle settings. You can set the on/off time differently for every day of the week. 8-Outlet Timer/Power Strip 4 timer-controlled outlets4 constant-power outlets24 hour mechanical timer. 1 minute setting intervals.Great for switching water pumps to create tidal- flow currentsAlternate day-night cycle timerMaster on/off control switch3-foot heavy-duty power cordSliding outlet safety covers3-prong grounded plug and outlets15 amp 120 volt (1875 watts max.) circuit breakerUL listedNOTE: To do the dawn/dusk effect, (control your daylight and actinic bulbs separately), you will need to get two of these. Or, you can purchase the Coralife Aqualight Power Center Timer.User Manual (pdf file in new window)