Features . Type - Flashlight. Material - Made of durable aircraft-grade aluminum T6061. Treatment - Premium Type III hard-anodized anti-abrasive finish. Exterior Color - Black. Reflector - Vacuum coated aluminum optical reflector. Lens - Tempering optical lens. Switch - End click switch. LED - A1. Wavelength - 395nm 1w . UV chip - Japan. Battery - AA x 1. Dimension - 9.7 x 1.8 x 2.1 cm.