● Trace wires or cables. ● Volume control. ● Tip & Ring identification. ● 2 bi-colored LEDs ( Line 1 & Line 2). ● Tone speed selection : Fast & Slow. ● A phone jack is designed for headset or handset. (Amplifier probe)
● Continuity and resistance testing for voltage-free objects. ● Check direct and alternating voltages. ● Testing capacitors. ● Testing diodes. ● Power ON/OFF switch. ● The indication of the LED lamp and the sound of the buzzer can occur at the same time. ● The LED indication for Power ON status.