Penna portatile puntatore laser punti a infrarossi 980 nm 1 mW LED

980nm IR Dot Handheld Laser Pointer. 980nm IR lasers can't be seen the light by the bare eyes. Wavelength: 980nm. 1x 980nm IR Laser Pointer ( Battery not included). Hope you can understand! Note:Focus point is at 5cm, spot size is 1cm at 30cm, 15cm at 2M.

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