The slim 7/8” diameter Stainless Steel body is available with natural finish or with either Titanium Nitride Black or Gold coatings. Textured grooves along the body provide a sure grip, even when wet. There are five (5) user-selectable lighting programs; High Beam, Medium Beam, Low Beam, Defense Strobe and S.O.S. Signal. By softly pressing the power button, or double clicking it, you can scroll through and select any one of the five modes of operation. Turn power on or off in any selected mode with a single click. Maximum light output is 500 lumens.