Greenlee 200XP Amplifier Multi-Filter Tone Probe
INCLUDES: (1) Multi-Filter Tone Probe (1) Spare tip FEATURES: Single button selects two kinds of powerful noise filters Filtering means faster, more accurate pair tracing Durable and lightweight Audible and visible signal detection Continuous wide-range volume control Field replaceable tip Operates on a single 9V Battery Works with any tone generator Well suited for 577Hz telco tone sources