Green Laser flash light Full Sky Star 851 Laser flash light, green light, star pointing building, sand table, green outer line ,laser 851 Laser flash light, green light 20mW 532nm Starry Green Laser Pointer With a Star Cap for Presentation Teaching Outdoor This laser pointer can be used for presentation, teaching indicator, children amusement Laser range: 1000-8000meters,Wavelength: 532nm. The AC adapter easily folds out to charge and pack away LED indication for Power On / Charging / Full charge Product Size(L x W x H): 11.20 x 2.10 x 2.10 cm (Weight : 540 gram)