20pcs 5mW Laser Diode Lasers 5V 650nm Laser Pointer Head Red Dot Laser Module Small Mini Laser Pointer Diod Diy Dot Laser Pointer Mini Laser Tube with Leads Head Outer Diameter 6mm

Description:  Output Power: 5mW  Wavelength: 650nm  Working Voltage: 5V  Operating Current: less than 20 mA  Laser Shape: Dot Wide  Range of Working Temperature: The mini diode laser head can work in -10 degree~ +40 degree.  Housing material: High quality Copper  Dimensions: 6.5 x 18mm  Total length: 90mm  Wire connection: Red wire connect to Positive, Blue wire connect to Negative  Application: The red dot laser head widely be used for Level instrument, Ground instrument,  Long distance laser listener remote light control, Long distance laser wireless communication, etc.  Package included:  20PCS 5V 650nm 5mW Red Dot Diode Laser Heads