Designed for optimum light output, the MAGLITE ML100 LED flashlights deliver performance oriented features in a sleeker compact design. Available in 2 Cell C size, these advanced lighting instruments are driven by next-generation MAG-LED Technology. Now with more features...amazingly bright and longer battery life than ever before.Personalize for quick access to your preferred functions:- Full Power- Power Save (25%)- Strobe (12/sec)- SOS (Int"l Morse Code)- Momentary On/OffSpecifications:- 2C- Length: 9.135 (232.029 mm)- Barrel Diameter: 1.199 (30.455 mm)- Head Diameter: 1.977 (50.216 mm)- Weight with batteries: 15.2 oz. (430.912 g)- Lumens: 137- High Runtime: 13 Hours- Low Runtime: 48 Hours- Black