If you've ever had someone take a picture of you at night with the flash on, you'll know how it takes a minute or two for your eyes to re-adjust. Now imagine that flash is 100x brighter and is strobing directly into your eyes. You wouldn't be able to see a thing, and would most likely lose your sense of balance.
To show you the incredible power difference, a popular flashlight maker Maglite only has packages avalible on thier website with lumens up to the 600's. The 1TAC Tactical Flashlight boasts a staggering 1200 lumens which is up to double the power.
Intelligent memory - automatically memorizes the last brightness level when switched off
Digitally regulated output to maintain constant brightness
Reverse polarity protection to protect from improper battery installation
Over heat protection to avoid high-temperature of the surface
Anti-roll, slip-resistant body design
Made of durable aircraft-grade aluminum alloy
Tactical tail switch with remote momentary-on and constant on function