HJ-142 Red Laser Pointer (Black)
-Red laser diode beam.
-Wavelength: 650nm.
-Max output: 5mW.
-1 red laser beam.
-Output mode: Constant Wave.
-Pressure button for laser beam.
-Batteries type: two AAA Alkaline batteries (Not included).
-Useful kit for office or school presentation.
-Best choice of gift for your family or friends.
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