Feature:
This laser module has high output power,please wear goggles when testing or using.
The red cord is anode,the black cord is cathode.
650nm focusable red laser module.
Reverse power protection, anti-static protection, short circuit protection.
Supply current does not vary with the voltage ranging from 3.0V to 5.0V.(2.54 plug)
Output optical power is stable,suitable for industrial equipment usage.
DIY engraving machine red laser module, suitable for black object carving.
Wavelength: 650nm
Laser Module power: 250mW
Voltage: DC 3 ~ 5V (can use mobile phone battery or 3 pieces dry batteries,Price NOT included)
Current: less than 350 mA
Diameter: 12 mm
Length: 45mm
Package contents:
4x 250mW dot red Laser Module