INDOOR ONLY ANALOG TIMER WITH UP TO 48 ON-OFF SETTINGS PER DAY WITH 15 MIN. "ON" TABS (MIN. "ON" TIME OF 15 MIN.) THIS TIMER IS PRIMARILY SUPPLIED TO OPERATE OUR SUPER FEEDERS BUT CAN BE USED WITH OTHER APPLIANCES. 110-125V 15A WITH 1800W MAX RATING. THIS TIMER HAS A GROUNDED OUTLET.  If you would prefer a weekly DIGITAL timer, the ACDT-20 timer is available with up to 8 cycles per day, or if you would like more than 8 times per day, you may consider the ACDT-19 listed on this store, which will provide up to 20 cycles per day.  Best longevity and accuracy is normally achieved with a digital timer. Timer style may vary.  NOTE: Timers are not manufactured by Super Feed.  You may use any other timer available locally.  This timer is only offered to make up some combos to prevent from having to purchase one locally.

Analog programming info: http://www.super-feed.com/superfeederanalogtimer.htm