Streamlight ProPolymer Series of Flashlights is one of the best lights a highly demanding work environment can utilize. Weather it is contruction, industrial, fire and rescue, or another demandnig job - these polymer contruction lights are ideal. The ProPolymer Flash Lights by Streamlight are virtually indestructable. Polymer material, from which these flashlights are constructed, is non-conductive, making it ideal for jobs that may involve being in contact with high voltage. Scratch-resistant polycarbonate lens is also impact and shock resistant to give even more durability. The convenient tailcap makes the operation of the Streamlight ProPolymer Flash Light Series Lights a lot more natural and easy.