SPECS: Dimensions: 1.48 x 5.7 in. Weight: .38 lbs. DESIGN & DETAILS: Handheld LED flashlight with TackGrip 4 lighting modes: high, medium, ultra-low, and hidden strobe Constructed with aircraft grade aluminum for supreme durability LuxPro patented TackGrip is molded directly to the aluminum body for durability that won't slide or curl The light is O-ring sealed and water resistant with an IPX4 rating Operates on 4 AAA alkaline LUXPRO batteries TECH SPECS: Max run time: 20 hours Battery: 4 AAA Max Lumen: 550 Beam distance: 85-335 meters Runtime 1 hour 45 minutes - 20 hours