LUXPRO high output 600-lumen handheld flashlight with TackGrip. A compact flashlight that puts off a clean light beam. With 4 lighting modes, users can get the light they need for any situation. Access 600 lumens on High, 210 on Medium, and 50 on Ultra-Low. The Ultra-Low setting gives you an extended runtime of over 45 hours. This is crucial for emergencies. Hidden strobe is a mode that can be accessed and exited by pressing the on/off button for approximately 3-4 seconds. Updated electronics allow users to turn the light off with one click after using the selected mode for more than 5 seconds. This flashlight has the unique feature of running on 6 AAA batteries or just 3 AAA batteries. It is constructed with aircraft-grade aluminum and TackGrip making it extremely durable. TackGrip is patented, exclusive to LUXPRO, and is molded directly to the aluminum body for longer-lasting durability that won't slide or curl. This light is o-ring sealed and water resistant with an IPX4 rating. It comes loaded with 6 AAA alkaline LUXPRO batteries and is backed by a Limited Warranty Against Manufacturer's Defects.