... high quality, fast delivery timeFunction: laser pen, laser pointer, Used in many applications and industries including the military, medical and astronomy ... your LOGO on the pen, or make new molds to project your LOGO. Specifications:Wavelength532nmSize f the laser160*14mmOutput10mWLife time5000hWorking ... pointers unless under the supervision of an adult. 2 IN 1, 150mW laser pointer pen, star & point