Features:
For easy and exact measurement of speaker impedances including long cable length
Battery driven for mobile use (4 Mignon (AA) batteries)
One set of batteries for 30 - 60 hours operation time (depending on the measurement range)
Graphic conversion table impedance-power
Oscillator generates 1 kHz frequency
Measurement range of 5 to 100 kΩ
Comes with a case and one set of test leads