If you lift your hand, move the little fingers. Once the hand is on the ground, it is. there turns nix. Whatever the ground. Whether on wood, on tile or on a cloth. What a waste! Unfortunately, we have the bill thrown away (our fault - no question), but perhaps we can save them from a mistake by these Rezesion, someone else.
I guarantee it is not on the batteries, we tried several very good and new batteries.
Definitely "not" buy recommendation from us!