Specifications Product name Green Light Laser PenBeam style Continuous line Charging Method USBFocus mode FocuableWavelength 532nmPower 50wIndicating Length 10 MileBody material Aluminum alloyCase color Black SilverLight color GreenSize 162x21mmWeight 350gFeatures 1 It is used to point at any desired target on projection screen video etc 2 It can be used for presentation teaching indicator etc 3 Lightweight suitable for putting in your pocket or handbags easy and convenient to bring 4 The continuous light of laser products will accelerate the aging of the crystal It is recommended that the light stays on for no more than 3 minutes and it should not be used for more than 1 minute under high temperature 5 Lithium batteries should be charged frequently and they should not be fully charged for a long time Loss of power may damage the normal life of the product Pcakage Include 1 Light Laser Pen