◆ Vehicle: be used to check engine, Oil Pressure parts, and the quality of fuel injection nozzle.
◆ Industrial machine: to check the boiler, heat exchanger and other mechanical equipments.
◆ Petrochemical industry: Be used to pressure vessels, boiler, heat exchanger and other equipment.
◆ Electronic industry: to check the parts, machinery actions and other exploitation fields . 
◆ Coal gas:  to check if rust, corrosion and hydrocele are exist in gas pipe.
◆ Aerospace and aviation:be used for the regular check of turbine, lamina, firebox and the exploitation and manufacture of rocket engine.
◆ Steel: be used for quality test of tubing products besides equipment maintenance Equipment.
◆ Railway and shipping: be used for the check of turbine, heater, diesel engine, boiler flame and pipelines.
◆ Construction engineering: be used to check the dirt and rust of steel pipe and the cracks in bridge joint.It also could be used for the observation of architectural diagram.
◆ Custom department :be used to check hiding drugs and smugglings.
◆ Water pipe: be used to check corrosion and jam of drainpipe.

The main technical parameters: 
Probe diameter:8mm
category:tube
Working length:1100mm
Observation depth:10mm-100mm
focus:adjusting
Vedio port:1/4 inch ccd
image display:5〝LCD
image system:PAL
power supply:100-240V AC