2/4/6 "AAA" LED Flashlight, Multi Cavity Use Technology Allow The Light To Run On 2, 4 Or 6 "AAA" Batteries & Allows The Light To Take On The Characteristics Of 3 Different Lights In Terms Of Lumens & Run Times, 600 Lumen On High, 200 Lumens On Low, Built In LED Battery Power Indicator Light, Constructed Of Machined Aircraft Aluminum With Knurled Non Slip Barrel Grip.