... years,professional APPLICATION FIELDS:1.pipe clean: help to inspect inside the pipe2.auto industry: inspect engine, help ... gear box3.aircraft industry: used to inspect air-turbine, vane, afterburner4.ship industry: used to inspect the boiler, pipe and ... real-time AV video signal output, can be connected to video equipment like tablet pc, notebook computer etc, to watch, filming and save. ooutput ...