【ETHERNET TESTER】：cable tester for problematic shorts, opens, cross-pairs, and other wiring faults, HOST & REMOTE,Remote viewing of cables,the maximum test distance is 1000m. 【QC FUNCTION】:tester Quick test results (open circuit, crossover, straight through, Short circuit), quickly detect the crimping condition of the crystal head, Special shielded network cables can also be measured(UTP/STP). 【LITHIUM BATTREY CHARGING & LONG LIFE】：ethernet cable tester NOYAFA NF-468CS easy to use, new upgrade,used in home, industry and other fields,Auto shutdown function. Material:Reliable internal circuitry ensures durability. Indicator lights are brighter and clearer for easy identification. Switch buttons are rugged and will not slip off.