... zoom in and zoom out This 3.5" Color LCD Video Inspection Camera use optoelectronic technology to investigate hard-to-reach ... more surverying function3.Flexible tube,Main unit,AV Cable,USB Cable,Hook,Mirror,Magnet,SD Card4.Extension tube with ... , Japanese, Korean,Italian, Spanish, German, FrenchAccessories: A/V cable,USB cable, AC Adapter,Packing: Tool boxRange of application: HVAC InspectionVent ...