Utility Pen and Flashlight. Built for all types of adventures, day or night! Seamless one hand bolt action mechanism like shifting gears: 1-open, 2-close, 3-disassemble or extract high capacity pressurized ink refills. Comes with 3 mode functions accessible by pressing the side button: full power mode, half power mode, strobe. Parts & Features: – Waterproof flashlight with 3 modes of operation – 130 Lumens at the highest setting, 15 Lumens at the lowest. – Uses AAA batteries (not included) – Length is 148mm – Easy bolt action – Pressurized pen refills, accepts Lamy M22