Modulo laser raggio visibile 520T-300 impermeabile 520nm punto verde 105x32mm
Wavelength: 520nm. 1x 520nm Green Laser Flashlight (Battery not included for easy custom clearance). Laser Shape: Dot. Beam pattern:Continuous line Shape. Spot Size:about 5M at 15-18mm. Battery:1x battery required（not included）.