Product name: 450nm blue Laser Pen Model No. JLB-018 Feature: Portable laser, drived by 2*AAA battery Momentary button, pen type. Fixed focus, continuous output. Long lifetime chip, expected lifetime: More than 8000hours. Clearly visible in the dark and lighted area. High quality, sustained output power with well tested.
3mm-10mm(depend on the output power)
Beam distance(in darkness)
300-2500meters(depend on the outpupt power)
> 8000 hours
Visible laser diode
Body material/body color
Astronomy, military, medical, indicator, teaching baton, bars, ktv etc.