... with star caps,star laser, firely laser, 5 in 1 green laser, 5 patterns green laser, green laser ... 2) Wavelength: 532nm (3) Laser range: 300-8000 meters (4) Battery: 2 XAAA... (5) Dimension :14X160mm (6) Output ... with star caps,star laser, firely laser, 5 in 1 green laser, 5 patterns green laser, green laser ... with star caps,star laser, firely laser, 5 in 1 green laser, 5 patterns green laser, green laser ...