... ,key switch,led indicator Visible laser diode Product name: 300mW,350mW,400mW,500mW,600mW,700mW,800mW,900mW,1000mW ... high power Green Laser Pointer Model no.JL-051Feature:Portable laser,drived by ... switch,led indicatorExpected lifetime(hours)>5000 hoursLaser type:Visible laser diodeOperating temperature0-40Storage temperature-10~50Dimension40 diameter ×225mm ...