Fully processed and milled by CNC machine. Smart IC chip circuit design, three brightness modes: strong light-30% bright-10% bright-flash-SOS. Employ aluminum cup for best heat elimination, hightensile tempered glass, abrasion resistant,shock resistance . Imported CREE LED, the high-quality ,stable and durable LED eliminates the trouble of replacing light source. Perfect detail treatment, human-oriented design, anti-skid and comfortable to use.