Eureka! NiteGUIDE 210 - Flashlight Lumen Output: 51, LED Type: 1 watt Luxeon, Run Time: 12 hrs, Battery Type: 3 AAA, Dimensions: Flashlight mode 1.3''x4'', Dimensions: Lantern Mode 1.3''x5'', Weight with batteries: 3.9 oz., Regulated Circuit: Yes, IPX rating: 7 Powerful beam is controlled from 1X flood to 4X spot with a twist of the knurled head. Aluminum housing with Type II anodized finish for durability. Housing incorporates indents and flats for secure handing in all conditions, even with gloves. Tactical-Styled tail cap protects the momentary/on/off switch. Lanyard Included Batteries included.