Tone and Probe Kit Wire Tracer And Circuit Tester Professional Tone Tracing Kit, Cable Tester Tone Generator Inductive Amplifier with Adjustable Volume

ABOUT DETAILS - The gain is norminal 30dB, the input impedance is nominal 100M Ohm, and please notice that wire tracer needs one 9V Battery(NOT INCLUDED).
MEASURING RANGE - Measurement categories include line tracking, short circuit testing, clear/busy/ringing identification. Selectable continuous or variable tone generator
CLAMP MODE - For non-terminal cables, clamp mode can be used for direct measurement, as well as for telephone and network line measurement.
HIGH ACCURACY - With optional continuous or adjustable generator, the method is simple and the test results are accurate.
AVOID SHORT CIRCUIT - Built-in speaker tube on the probe, insulation probe and built-in loudspeaker can effectively avoid short circuit of conductor and make it safer to use.

Specification:
Condition: 100% Brand New
Material: Plastic
Gain: Nominal 30dB
Input Impedance: Nominal 100M Ohm
Probe Tip Resistance(Min):
Metal Tip: 0 Ohm
Plastic Tip: 300 Ohm
Battery: 1 X 9V Battery DC (NEDA 1604, JIS 006P, Or IEC 6LR61) (Battery Not Included)
Battery Life(Nominal): 50 Hours
Temperature:
Celsius: 0℃ - 50℃
Fahrenheit: 32℉- 122℉
Weight: Approx. 300g / 10.6oz
Size: Approx. 231x55x28mm / 9.1x2.2x1.1in

Package List:
1 x Storage Bag
1 x Cable Tester (2 Parts) (Battery Not Included)
1 x Instruction Manual
1 x Replacement Head