... ''VGA 3.Zoom in and out:8 times 4.lens dia.:5.8mm 5.patent design Usage ... Automotive,Machine tool,Aerospace•Engineering:Piping,Building,Archaeology,Mining•Home:Airconditioner,Refrigerator,Testing floor angle in dark,Cabinet, ... other languages optionalBattery4*1.5AA type Alkaline Battery 4 LED Lights with adjustable light intensityHandle colorRed and ... 5.8mm Lens Video Borescope with 3.5 Inch LCD Screen