Tork 7120 model 24 hour time switch with skip-a-day. Automatic on/off control when operation is required at the same time every day. Suitable for lighting, air conditioning, heating, signs, pumps. Minimum 20 minutes ON, 75 minutes OFF. One pair on/off trippers supplied, accommodates up to 12 pairs. Three language dial. One to six days omission with three omitting screws supplied.