The NTG200H Focus & Fold Rifle Borescope features a 4.5-inch IPS display for clear detailed barrel inspection with advanced focus and fold functionality.NTG200H Focus & Fold Rifle Borescope4.5-inch IPS screen for crisp clear viewingFocus adjustment for optimal image clarityFold design for convenient storage and portabilityProfessional-grade barrel inspection capabilityEssential for firearm maintenance gunsmithing and ensuring barrel condition with precise visual inspection technology.