Dorcy 41-4316 Z Drive PWM 2/4/6 AAA Multi Cavity Use LED Flashlight, 600 LumenThe Dorcy 600 Lumen Z Drive Flashlight offers exciting new features not found in other lights. Multi cavity use technology allows the light to run on 2, 4, or 6 AAA batteries. Even if you only have two working batteries, you can still have light! This technology also allows for the light to take on the characteristics of three different lights in terms of lumens and run times. The light features 600 lumens on high and 200 on low, with run times of 1