Features: Effortlessly diagnose hdtv and MiniHDMI cable faults including shorts, opens, and miswires with the UT681 tester's double interfaces support and real time signals monitoring for optimal performances. Featuring a compact LED display designs with easy indicators, this portable tool combines ABS/metal construction for durability in professional or home environments while verifying 4K signals integrity. Designed for technicians, IT specialists, and enthusiasts maintaining home theaters, conference rooms, or broadcast equipment requiring precise cable diagnostics. Streamlines troubleshooting in 4K entertainment, live production studios, and office installations where stable hdtv/MiniHDMI connectivity verification is critical. This battery powered diagnostic essential delivers professional cable verification across entertainment and industrial applications with easy operations confirmed through visual/auditory feedbacks. Specifications: [Component]: ABS, PCB, Metal [Product Size]: 102x62mm/4.01x2.44in, 102x37mm/4.01x1.45in [Product Weight]: 175g [Color]: Red [Power supply]: 9V battery powered [Interfaces Type]: hdtv, MiniHDMI interfaces [Detection Mode]: Scan mode, full display mode Package Includes: 1X Cable Tester note: Please allow 1-3cm error due to manual measurement. please sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color.