ручка лазерная указка

The products are mainly used in teaching speech directed laser pointer, stage performances with laser laser props, large power UV reactive anti-counterfeit identification, the construction field goal instructions, field transmit for succor , medical partial sterilization and disinfection etc. The product is simple operation, stable performance and security, and emitting a pure blue-violet laser, irradiation distance is over 100meters. TECH NO Material Battery Focus Length M CMOS chip mW Laser Spec.CM / W.G KPT20 B Copper AAA >20 <20 405nm 15X1.4 70G KPT80 B Copper AAA >50 <80 405nm 15X1.4 70G