NOYAFA NF-859GT Ethernet Fiber Multi Cable Tester with a Unique Receiver Integrating a Variety of Functions of Alignment Test, VFL, PoE - Wire Detection Function Anti-interference mode ordinary mode(used with other models), Alignment Test Local alignment test and remote alignment test, Crimping Test To test whether the registered jacks RJ11and RJ45 are crimped properly, PoE Power supply wire core, mid-span and end-span, VFL 10mw Više informacija na linku