The holiday force is strong with the LEGO Star Wars Darth Vader Key Light. Measuring approximately 74mm (2.9 inches) tall, the key light is a 175% scale replica of the LEGO minifigure. Powered by 2 CR2025 batteries (included), simply hold the on/off button in the chest to activate the LED light in each foot. The metal key ring is easy to attach to your keys or backpack or wear on a lanyard for quick access as commonly used by pediatric doctors & nurses. Minifigure is fully posable with movable head, arms, hands and legs and makes the perfect gift for LEGO Star Wars fans of all ages.