The JETBeam JET-U is a super-compact flashlight with an Ultraviolet LED for multipurpose use. A removable clip allows comfortable pocket carry and keeps the flashlight ready for quick access. The JET-UV runs on a single AAA battery (not included). Features: Lightweight aluminum body offers high durability and portability. Assists in the detection of counterfeit money and fluorescent agents. Simple twist output mode selection. Built-in effecient power management circuit. Battery reverse polarity protection.