The Darth Vader Key Light takes on the galaxy. For all the fans of Star Wars the Darth Vader Key Light is fun and functional. When you press the button on his chest the two LED lights on the bottom of his feet light up. Mini-figure features posable arms and light angling legs. The Darth Vader Key Light includes 2 CR2025 batteries. Darth Vader is bringing light to the Darkside. ;Material And Composition-Plastic;Product Type-Construction.