The NTG200H Focus & Fold Rifle Borescope features a 5-inch HD screen for clear barrel inspection and maintenance with innovative focus and fold design for enhanced usability.NTG200H Focus & Fold Rifle Borescope5-inch HD display screen for detailed viewingFocus and fold design for versatile positioningProfessional rifle barrel inspection capabilityPortable borescope system for field useEssential tool for firearms enthusiasts gunsmiths and professionals who need accurate barrel condition assessment and maintenance verification.