... Power supplyWorking VoltageDC2.8-5VPackagingAnti Static Bag or TrayOperate mediaSemi-conductor laser Laser typeInvisible infrared laserOpto ModeDot(follow customer's requirement ... Laser Module1*Laser Adapter1*HolderThese laser module For laser targeting devices , Security system , Night View Assist , monitoring , protection , intercom system , shielding ...