Network Auto-Tester Dimensions L x W x H: 89 x 198 x 48 mm Weight: 500 g Cable test function: cable length test / crossed pairs / open circuit / reversed pairs / shield integrity verification / short circuit / split pairs / tone generator / twisted mapping / wire map Connector plug: RJ45 / SFP Diagnostic functions: Port finder / IP-Adress Display: 2.8'' LCD Electrical supply: Li-ion battery / Battery pack Units: Meter / Feet Minimum cable length: 1.2 m