Still in compact size, the upgraded Fenix LD22 receives new operation features and a higher output of 300 lumens while still using simply two AA batteries. Four brightness levels plus Strobe and SOS well meet lighting demands for daily use, hiking, searching, etc. In Outdoor Mode, the LD22 allows for standard flashlight operation: the side switch controls all output modes and the tail switch simply turns the light on and off. For fast and simplified functionality, the new Tactical Mode turns off the side switch and activates the turbo, strobe and mid modes through the tactical tail switch. 4 Brightness Modes Plus Rapid Strobe and Hidden SOS Hold side button for 3 seconds to change Outdoor mode and vice versa Outdoor Mode Turbo: 300 Lumens High: 100 Lumens Mid: 30 Lumens Low: 5 Lumens Strobe: 300 Lumens SOS: 100 Lumens Tactical Mode Turbo: 300 Lumens Mid: 30 Lumens Strobe: 300 Lumens Features middot;Uses Cree XP-G2 R5 LED with a lifespan of 50,000 hours middot;Powered by two AA (Ni-MH/Alkaline) batteries middot;155mm (Length) x 21.5 mm (Diameter) 6.1 in. x 0.8 in.? middot;72 grams (2.5 oz.) excluding batteries middot;Tactical tail switch, momentary-on function middot;Stainless steel switch for output selection under Outdoor mode middot;Dual operation mode and Outdoor Mode is the factory default setting middot;Intelligent memory circuit(under Outdoor Mode), automatically enters previous used brightness level when turned on middot;Digitally regulated output maintains constant brightness middot;Reverse polarity protection, to protect from improper battery installation middot;Made of durable aircraft-grade aluminum Premium type III hard-anodized anti-abrasive finish middot;Toughened ultra-clear glass lens with anti-reflective coating nbsp; Bundle include 2X EdisonBright AA Alkaline batteries.