Super Bright 300mW Portable Blue Laser Pointer wit

Description "A true super bright 300mW portable blue laser pointer! This 300mW blue laser pointer features to focus, to diving, high-quality and high power. With this super bright 300mW blue laser pointer, you can get a lot of fun such as fluorescence excitation, direction indicator at long distance, tracks detection and star pointing. Features - 300mW blue laser. - 300mW blue laser. - Ultra power, can easy light up a match. - The laser light can be seen clearly though a long distance. - Stainless steel design, weather-proof and sturdy. - With a solid box to protect the laser pointer. - Come with a pair of laser protective glasses to protect user's eyes. - It is better for lifetime of laser for using laser about less than 3 minutes. " "Specification - Wavelength (nm): 405nm - Output power (mW): <300mW - Laser power supply: 2*3.7V Sanyo 16340 Battery 1000mAh - Operating temperature: 0-35°C - Operating mode: CW - Lifetime: >5000hours - Optical structure: Separation of crystal cavity design - Feature: To focus, to diving, high-quality, high power - Application: Fluorescence excitation, direction indicator at long distance, tracks detection, star pointing Operation and Caution - Put one battery into the laser tube with the ""+"" outward. Package including 1×SuperBright300mWPortableBlueLaserPointerwithLaserProtectiveGlasses" G.W: 830g N.W:710g ,Products size: 9*0.9*0.9cm ;Package size:26*19*7cm