i3T Ti Periwinkle Purple: Crystallized Titanium Limited Edition of Only 2,023 Worldwide! AAA Battery: 180 lumens output achieved with just a single widely available AAA battery. Portable: Easy to carry in a pocket or clipped to a hat brim with its lightweight and palm-sized Titanium body. Simple Operation: Tail switch operation for momentary/constant on and quick mode changing (5/180 lumens). Specs: Length: 3.5" (89mm) Width: 0.59" (15mm) Max Output (Lumens): 180 Minimum Output (Lumens): 5 Max Beam Distance (Meters): 60 Modes: 2 Compatible Batteries: AAA Rechargable: No Waterproof: IPX8 Weight: 1.4 oz Pocket Clip: Yes Max Battery Life: 16 Hours Min Battery Life: 21 Mins