Motion-Sensor Wall Switches Save Money

ASSOCIATED PRESS

Are your electric bills climbing out of sight?

If too many lights burning day and night have your electric meter spinning like a top, some motion-sensor wall switches may start bills heading in the right direction.

This new breed of "smart" wall switches has passive infrared sensors with a special lens that senses movement.

It turns lights on when a room is occupied and turns them off when it's not.

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