This item is laser module heads, which is made of copper plastic. It is suitable for 3V/5V 5mW standard, with 6mm outside diameter, can be used to connect diode tubes for multiple use.
Color: Mainly golden
Lens and housing: Plastic
Laser Shape: Dot
Outside diameter: 6mm
Working Voltage: 3v/5v
Operating Current: must less than 20 mA
Working temperature: -10 ℃~＋40 ℃