laser modules laser head laser light industrial engraving machine necessary 250mw

Product details:
With reverse power protection, anti-static protection, short circuit protection, overcurrent protection, overvoltage protection. 5.5V supply current does not change with the change in voltage to 3.2V, the output optical power is more stable, and more suitable for applications such as the use of industrial equipment.
Technical parameters:
Wavelength: 650nm (Red laser)
Optical power: 200-250 milliwatts
Voltage: 3 ~ 5VDC
Current: less than 300 mA
Diameter: 12 mm
Length: 45 mm
Wiring: red for positive, black is negative