... cable, measuring the connecting status; display the sequence of connection and the NO. of the LAN cable.Built in Lithium Ion Polymer Battery ... test AD/DC Voltage, AC/DC Current, Resistance, Continuity, Capacitance and Diode test, Auto / Manual Range, Data hold, Relative measuring.Size ... 94mm x 36mmACCESSORIES: RTS-331 3.5" LCD screen security monitor CCTV tester RTS-331 3.5" LCD screen security ...