The Fenix LD01 R5 is extremely small not much bigger than the AAA cell it uses stainless steel flashlight. It has three modes: Medium -> Low -> High. These modes allow the user to select the best compromise between brightness and runtime for any given task. Special Limited Edition for Winter season of 2010/2011. Features of Fenix LD01 R5 Cree XR-E LED (R5) with lifespan of 50000 hours Three output modes: 28 Lumens (3h8m) -> 3 Lumens (27h) -> 77 Lumens (1h28m) Uses one 1.5V AAA battery (not included) Dimensions Length: 75mm / 2.95in Diameter: 14mm / 0.55in Weight: 28grams / 0.99oz (excluding batteries) Made of Stainless Steel Toughened ultra-clear glass lens with AR coating Premium Type III hard-anodized anti-abrasive finish Capable of standing up securely on a flat surface to serve as a candle Reliable twist-switch ANSI/FSC Mid High High OUTPUT 28 LUMENS 2 LUMENS 77 LUMENS RUNTIME 3h 8min 27h 1h 28min DISTANCE 50m INTENSITY 644cd IMPACT RESISTANT 1.5m WATERPROOF IPX-8 underwater 2m ACCESSARIES Key ring and a spare o-ring