Features: Output Power 3.5mw Wavelength 850nm Working Voltage 3.0-3.2V Working Temperature +10 ¡æ~£«40 ¡æ Laser Shape Dot Focusable Yes Material and Color Metal Lens Plastic Dimensions 12*12*35mm Details: Please keep the lens clean to make the laser beam clear and bright. Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray. Be sure the operator has experience in optics DIY or testing Package: 1 x New 850nm 3.5mw 3.0-3.2V IR Laser Dot Module
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