9 mm 3 V Rot Laser Punkt Diode Kupferkopf Lrns 650nm für Himbeere PI 5mW
ab 2,42 €
Laser wavelength: 650nm. Transmission power: 5mW. • Making an electronic pointer pen: During the teacher's lecture, use a laser projection point to encourage students to observe and think. The laser cannot shine on any reflective or smooth surface.
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