Improved, faster-handling "quick focus" system now adjusts from spot to flood with less than 1/4 turn of the head Features a "Quick Clik" multi-mode electronic switch and 3 additional functions sets Anodized inside and out for improved corrosion resistance and durability, with a self-cleaning switch that virtually eliminates oxidation High grade O-rings at each opening ensure resistance to water and shock Spare bulb included in tail cap Lamp Type: LED Lumens (High): 490 Run Time Hrs. (High): 15 Body Material: Aluminum Body Colour: Black Battery Type: C Batteries Included/Not Included: Not Included Beam Distance (High): 299 m Manufacturer Part Number: ML50L-S2016 Run Time Hrs. (Low): 29 Run Time Hrs. (Eco): 112 Water Resistance Rating: IPX4 No. of Batteries Required: 2 Impact Resistant: 2