Please do not aim at people’s eyes. In any case!

Product Information: 12mm Adjustable Focus Laser
Output: red dot / – / cross
Power: 5mw
Color: red light
Wavelength: 650nm
Lead length: about 13.5cm
Diameter: 12mm* Length: 35mm
Working voltage: 3V–5V universal
Working current: 1A or less (with constant current drive board)
Level: Industrial
Life expectancy: 6000-8000 hours
Uses: industrial positioning; laser aiming; infrared ranging; foreign trade cooperation, etc.