3V laser head parameters
(Lead wire length: 4.5CM)
The laser emission principle and the particularity of the production process determine that the laser has the characteristics that ordinary light does not have: three good (good monochromaticity, good coherence, good directionality) and one high (high brightness).
Mainly used for laser toys, various spirit levels, ground level instruments, etc.
The life of the laser head is about 3,000 hours, as long as it is not artificially damaged, thousands of hours
1 to 5 meters under the sun during the day, indoors, outdoor, at least 500 meters
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