1.Green laser 2.5 mw green laser great Detailed Product Description1.Not less than 20 m distance control2.Laser distance not less than ... and porcelain of red pen, pencil, pen, pencil, ball-point pen, 4 pearls unity laser pens, TaiBi, green light, laser projector pens, pen ... are sold to Europe, America, Middle East, southeast Asia etc world each place, deeply domestic and overseas customers pro-gaze ...