LEGO Batman Movie Batgirl LED Key Chain Light - Perfect for Backpacks and Keychains! Straight from the LEGO Batman movie, this Lego Key Light is the perfect flashlight. At 3.5", this pocket sized key chain is the brightest flashlight around. With 2 super bright white LED's emanate light through the bottom of the feet of the LEGO Mini-figurine. Simply press the logo on the chest for a burst of light. With moveable head, arms and legs, you can shine the light anywhere you like.