Polycarbonate lens with scratch resistant coating Impact and chemical resistant engineering polymer resin Push-button tail switch Streamlight ProPolymer Flashlights are made from impact-resistant, lightweight polymer for excellent strength and corrosion resistance. They feature a rubber face cap to absorb shock and impacts and a polycarbonate lens that&';s unbreakable and scratch resistant. Lights have an on/off and momentary tail switch. Batteries included (unless otherwise noted). 7 x 1 11/16.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }