Hot sale Red Sight Copper Head Adjustable Lasers Dot Diode Module Laser diodes 650nm 6mm 3V

Label:Yes Power lead length: 75mm Shell Material: Brass QTY:1/3/5/10PCS. Operating temperature: -36 ~ 65 Copper Head Diameter is 6mm Operating Current: <40mA Brand New with high quality Working life: more than 2000 hours Laser wavelength: 650nm (Red) Spot mode: dot facula, continuous output Supply Voltage: 3VDC Light power: <5mW Application: 1. sighting device for orientation 2. laser test tools 3. Concentricity positioning 4. Medical equipment positioning 5. Production of signal equipment 6. Use for DIY or robots Package Included: 1pc or 3pcs or 5pcs or 10pcs Line Laser Module(as your choose) Notice: 1.1cm=10mm=0.39inch. 2.Please allow 1-2cm error due to manual measurement and make sure you do not mind before ordering. 3.Please understand that colors may exist chromatic aberration as the different placement of pictures.