... size: 1.57" (40mm) 3.AC Current to 1000A DIGITAL Three Phase Live Wire Identify1. FunctionAC /DC Voltage, AC Current, Resistance ... , Diode test and Audible continuity test, Three Phase Live Wire Identification, Live Wire Differentiate * Display: 3 1 ... AT SIGHTRemarks: FOB Zhuhai HP-6051 3 1/2 DIGITAL Three Phase Live Wire Identify