LEGO Friends Olivia LED Key Chain is a highly detailed 175% scale (75mm/3in) replica of the LEGO minifigure with LED lights in each foot. Long Lasting LED's - Lego Key Light is the perfect portable light. At 75mm (3in), this pocket sized key chain is the cutest way to show off your favorite LEGO character. Poseable arms and legs, you can shine the light anywhere you like. Press the flush button on the chest for a burst of light. Key Light includes 2 CR2025 batteries.