nm Red Beam Flashlight Laser Pointer Full Divergence Angle<br>Features<br>1. High performance T7075 aluminum substrate、 high-end pump source and crystal accessories in production workshops. all materials when dispatching have to undergo strict test to ensure product with high-end performance and using life.<br>2. Application: Signal transmission; medical treatment;astronomical observations; biological tests; adventure rescue; recreational fishing; stage performances and entertainment fields <br>3. Electrical protection / high temperature / over current and over voltage / reverse <br>4. Power / conversion password power / function key conversion <br>5. Vibration test GBT2423.43-2008<br>6. Impact test IEC60068-2-47: 2005<br>7. Work: CW / PW = 4Hz<br><br>Instructions<br>Power on steps:<br>1. Open the laser back cover and fill with adapter battery (note: positive battery toward the tail)<br>2. Fill the tail cover and press the tail plastic button、 power indicator shows light red、laser switch becomes blue.<br>3. Press the switch until yellow light flashes three times、the laser light on when releasing<br>4. First press Laser maximum power、 press again smaller power<br>5. Soft switch button is laser pulse switch、 press to enter pulse mode and light on、 Press again to exit pulse mode<br>Power off steps:<br>Press the switch until yellow light flashes three times、 the laser stop working when releasing、 then press the plastic ta