High quality materials and construction
One-handed operation and shockproof
Extremely durable
Compact size
Lightweight
Weatherproof
Expensive
Does not use a standard battery
The Kroma and U2 Ultra are both exceptionally well designed and constructed LED flashlights made by SureFire. Overall their basic form, function, and technologies are the same. Both are small enough to carry in your computer bag, backpack, purse, or coat...