This has an infrared link, you don't need wires.

Vines with tendrils need slender strings, wires, or narrow supports to grasp onto.

"The man may need wires," he said.

Cross tees do not need wires; their ends fit into slots in the runners.

However, needing wires to connect devices can be inconvenient, especially in older buildings.

Attempts were made with alternative systems not needing overhead wires.

In the course of the escape, Gardner struck Leavitt so hard that he needed wires to reconstruct his face.

We need wires for the cost-effectiveness and the coverage.

Kids at recess don't need wires, they just start playing against each other.

"If you didn't need wires, just think about it," Mr. Carey said.