Title: "Not Reliable for Daily Use"
Product review: This is my second PRO3000 Analog Toner, the first one got a short circuit after one year of daily use. The second one started smoking after three months. I use the tone generator for digital lines on Siemens PBX. The tone generators are not made for daily work, they will get a short and start draining you battaries as if they were on all the time. If you take them apart you can see were the circuit board was shorted out and burned. This could start a fire if left unatended while you tone out your cables.I would not recommend the tool for professional.
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