RED Laser Diode (laser collimator, laser pointer)
Red Laser diode, this is a very small copper head with standard beam. Stable laser beam for various applications and projects.
Specifications
Laser small copper head (Red beam)
Transmit Power: 50mW
Laser beam Size: <φ8mm ( @15 m ) 
Dimensions: diameter 9mm,length 20mm
Shell material:brass
Life time: 2000 hours
Flare mode: Pointlike flare (continuos output)
Wavelenth: 650nm
Operating Voltage: 5v
Operating Current: <30mA
Working temperature: -36C ~ 65C