The ATAC PLuv is compact and lightweight and stores conveniently just about anywhere. Its 375 nm wavelength output is ideal for verifying the authenticity of driver's licenses, IDs, and even searching for deadly scorpions. Blue aerospace grade anodized aluminum body. Single output mode with momentary and steady-on switch. Stamped spring metal pocket clip. Tested to applicable ANSI FL1 standards. 1 AAA battery included. The ATAC PLuv is a great addition to the 5.11 ATAC flashlight line. The seven hour runtime on a single AAA battery means you can get through a whole shift on just one battery!