The Battery Snaps is the whim tool which turns the unchanging 9V battery in to the single-LED flashlight. Just snap it on as well as make use of the symbol on tip to spin on the LED light. Priced during only $4.99, the tool comes versed with the 9V battery. The Battery Snaps measures 1.25-inch x 0.75-inch x 3-inch. [Product Page]