Сүлжээний дуутай тестер proskit mt-7029n

ProsKit MT-7029N Сүлжээний дуутай тестер Noise-Filtering Network PoE Toner & Probe Kit Features: Strong Anti-Noise Capability PoE Switches & STP Wire Tracing Port Locator with Flashing Signal Single-way Plug Crimping Quality Test Cable Mapping & Status Indication 300M