E100B Series from Tork has multi-voltage input 120-277VAC, patented 40 amp contacts and indoor/outdoor enclosure standard. Use 24 hour model with signs, lighting, air conditioning, sump pumps and fans. LCD display, simple easy to follow instructions. DST automatic - can be changed/omitted. Capable of same schedules each day of the week. E101B SPST, same everyday, 20 set points, 24 hour. Supercapacitor back-up for schedule retention.