Specifications:Wavelength 515nm Output energy 30mW Power transport voltage 9-12V Working recent 88mA Spot pattern: Dot/line/cross Optical section Focusing lens + K9 glass wave one-word lens/PVC go lens Product materials Aviation aluminum Working temperature ±50℃ Working existence 8000 hours Dimensions 16*68mm (focus adjustable) Best operating distance 0-15 meters Output band seen lightPackage:1* 515nm 30mW laser module 1* Holder 1* 12V Power Adapter