635nm 638nm Laser Module
635nm, 638nm, 637nm, orange red laser module
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Specification：
DPSS laser module
Medical, laser printing
Marking/welding machines
Note：
1、 Work under suitable current and voltage
2、 CW power supply recommend, avoid pulse wave when use
3、 Working temp.: 10℃～30℃
4、 Avoid pointing directly to eyes or skin
