The Eclipse MT-7071N LCD Cable Length Toner and Probe Kit features strong noise filtering that is suitable for telecom cables, coaxial cables, shielded or unshielded network cables, and measuring lengths up to 600m. The large LCD features graphical user interface and English/Chinese dual language options. Users can locate the port quickly as the transmitter will send the signal and both LEDs will flash every three seconds as a match shows. The kit enables cable mapping with a LAN cable mapping test up to 300m. The assistive LED enables users to locate wires easily in dark areas.