Unique body. Dense double helix body pattern combines functionality and style. Premium beam quality. TIR optic produces a soft and balanced beam which is great for reading on low mode or any close-range illumination at night. Comfortable tail switch. Features an auxiliary spring hidden under the switch making operations smooth and crisp. Control the mode changing (500/5 lumens), momentary-on and constant ON/OFF all through single clicking this tail switch. Super convenient carrying. With a length no longer than the width of an adult palm, the concealed profile is perfect for backup duty. It comes with a dual direction pocket clip and lanyard for multiple carrying options, i.e. attach to pocket, backpack belt.