... Black(Roast black rubber or plating chromium fog) type of laser: Visible laser Diode specification parameter:Fixed focal, Green pointlike flare, Continuous ... for: 5mW,10mW,20mW,30mW,50mW,80mW,100mW,120mW,150mW,200mW,250mW, The greater the power, the farther range,The bright ... greater than 70 degrees. 3. The precision bearing can transform head and it can optional speed rotating bearing and exchange the ...