1.Wave length 645~680mm
2.Out power:≦1mv≦5mv
3.Inputvoltage:3V AAA×2
4.The working distance of laser line: 3~6cm(≦1mw) 7-10m(≦5mw)(varies under different circumastance)
5.The working distance of laser lot:30-100m(varies under different circumastance)
6.Accuracy of laser line:7m/10m
7.Accuracy of laser lot:±0.5/m