The Platinum Tools ToneMaster high-power tone generator enables signal detection over 20 miles away and makes tracing through walls and enclosures easier with multiple tones and power levels suited for network signal wire coax and telephone cable applications Four tone amplitude levels include normal and half high-powered normal and half with the half amplitude unbalanced for stronger signal effect on twisted pairs In addition depending on test requirements three distinctly different tones can be selected from the front panel Paired with the Platinum Tools ToneSeeker tracer the ToneMaster makes easy work of tracing and locating cables and cable ends 700 more power than standard tone generators Constant amplitude output ensures no signal decrease as battery discharges Full talk battery to power a dry line