Size:13.5X167mm
Laser pattern:Single beam,Star sky,Cubic graph,Space tunnel,Galactic nebula

Green Laser Pointer(GP-17)

Wavelength:532n

Power:5mmW--200mW

Colour:Rubber black

Batteries:AAA * 2pcsWorking voltage:3VPackage:EVA+Black paper boxSpecification:light is adjustable, use life  > 5000 hoursPreheating time:Under normal temperature preheating withoutApplication:Instruction(such as disco, teaching, presentations, sky and so on.) Remark:
1.Do not look into the aperture of the laser beam, and do not aim into eye!
2.Do not take apart by yourself to avoid any harm!
3.Keep out of reach of children!