MakerFocus 20pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm
- [Wide Application]: Level instrument, ground instrument, electric toys, long distance laser wireless communication, stage light, flashlight, laser gyro, laser pointer, electric toy, industrial use. etc.
- [Wire connection]: Red wire connect to Positive, Black wire connect to Negative.