Compact and portable design for one handed use. Lightweight and easy to hold, fits in a pocket for on the go testing. Hidden auxiliary design with a one piece detachable construction for convenient, non bulky operation. Includes network testing with automatic scanning to detect the of network cables. Compatible with fiber optic interfaces, suitable for FC, ST, and SC interfaces. definition display with clear text. LED lighting and flashlight functions to aid work in dark environments. Use scenarios In a data center or server room, quickly verify the of network cables during patch panel wiring or reconfiguration. On site fiber optic installation, carry the device in a pocket and perform quick tests with visibility in low light thanks to the LED lighting. During maintenance and troubleshooting, use automatic scanning to identify cable sequencing and detect miswiring for faster resolution.