The write-up says it all:
No more wasted paper towels! The Towel-Matic’s sensor-activated control dispenses one sheet, two sheets, or the new half sheet with just a wave of your hand. It never unravels. Built-in optical sensor automatically identifies the perforations on the towel and stops right at the line every time.
One-handed operation guarantees perfect tearing and helps prevent the spread of germs. Designed for tabletop, wall mount or under-cabinet mount.
Requires 4 D batteries (not included).
Ah, so the batteries aren’t included. That may explain why the Towel-Matic is available for a song—-only $59.99!