Delta Force FS-10 LED Flashlight with 4x CR123 is water resistant and impact resistant. Features High, Low, Strobe, and Momentary ON functions. Features memory retention; remembers your last setting. Great floodlight with lots of light output. Light features a CREE XHP-50 LED. Constructed from anodized aerospace aluminum. Tail cap ON/OFF switch. Rubberized grip for a sure and easy handling. Mechanical on/off switch for reliability. Crenulated head for self defense. Batteries included.