Be a beacon of success for clients who are looking for the right company when you advertise on this Keychain Light! It comes with pre-inserted batteries and the LED light is built in. This metal keychain is available in blue, black and red, and measures 3 1/2" x 1/2". It's an excellent way to promote auto shows, car dealerships or even real estate offices. Whatever door your customers are interested in walking through, show them the way with this handy promotional product!