THIS 3 IN 1 MULTI-FUNCTION ABS PLASTIC PEN, LIGHT AND STYLUS HAS A LIGHT INSIDE BARREL WHICH ALSO ILLUMINATES THE LOGO. USES 3 BUTTON CELL BATTERIES (AG3) INCLUDED, REPLACEABLE. INCLUDES BLACK MEDIUM POINT INK. FEATURES A METAL CLIP AND TIP. 5.98" L X 0.43" D