The LP1035V2 handheld flashlight has a seamless push/pull focus head that is easy to adjust with 1 one hand. This light has 4 lighting modes allowing you to get the right light for any situation. Access 570 lumens on High, 175 on Medium and 43 on Ultra Low. The Ultra-Low setting gives you an extended runtime of over 22 hours. This is crucial for emergency situations. Hidden strobe can be accessed by hitting and holding the on/off button for approximately 3-4 seconds. Hidden Strobe will stay activated until you turn it off the same way. (Hold the on/off button for 3-4 seconds.) This feature allows you to stay in security mode whenever you turn the flashlight on. It's also nice to deactivate so you don't need to cycle through strobe when it is not needed. With updated electronics allows you to turn the light off with one click after you've chosen the mode you want to use. It only takes 3 second of use to activate the 1 click off feature. That way when you are ready to turn the light off you just hit the on/off button. (No longer need to cycle through all the modes to access Off) We have constructed this light with aircraft-grade aluminum making it extremely durable. The TackGrip is one of the distinguishing features this flashlight. It is patented and exclusive to LUXPRO. Tackgrip uniquely shields and protects the hand s grip from heat and cold, giving ultimate handling comfort and protection with or without the use of gloves. TackGrip is molded directly to the aluminum body for longer-lasting durability that won t slide or curl. This light is o-ring sealed and waterproof with an IPX4 rating. It comes loaded with 4 AAA alkaline LUXPRO batteries and have a limited lifetime warranty. Product Features CREE XP-G3, S2 LED Aircraft-grade Aluminum Focusing Head TackGrip Rear Tactical Switch Wrist Lanyard Lumens on High Mode:570 Lumens on Low Mode:43 Runtime on High Mode:2h Runtime on Low Mode:22h Beam Distance:275M Battery Count/Size:AAA Batteries Included:Yes Width:1.53 in Length:1.53 in Height:5.06 in Weight:0.4000