Tork 1101-O model 24 hour time switch with same on-off times each day. Metal outdoor case. Automatic on-off control when operation is required at the same time every day, seven days a week. Suitable for lighting, air conditioning, pumps, water heating, signs, fans. Minimum ON 20 minutes, minimum OFF 75 minutes. One pair of on/off trippers supplied - accommodates up to 12 pairs. Three language dial markings.