laser guider Intrinsic safety Range: 800m Explosion-proof Weather proof:IP54 Coal Mine Laser Guider Direction pointer, orientation and collimationwidely used to road, railway, tunnel, culvert, bridge, tall building and pipeling installationstable performance and reliable featureseasy to install and use. Main specificationItemSpecificationEffective range>800mOutput power≥5mWFacula diameter≤70mm ( ...
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