Product Introduce: ♦：5V laser head laser diode point copper semiconductor laser tube ♦：Wavelength: 650 NM ♦：Power: 5MW ♦：Outside diameter: 6MM ♦：Single weight: 26G ♦：Operating temperature: -36 ~ 65 ♦：Storage temperature: -36 ~ 65 ♦：Mainly used for laser toys, all kinds of level, ground instrument, and so on Our philosophy: ♦：We have been complied with, heavy products, heavy customers aim to make people happy and provide the best service. ♦：If any thing happen, please contact us before leaving any feedback or open any dispute. Please give us the opportunity to resolve the problem ♦：We guarantee you one satisfaction solution. Your comments will help us improve the quality of products and services, so that we can better serve other buyers
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