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1. Audio signal: 1.5kHZ2. Receiving frequency range: 100HZ-300kHZ3. Battery supply: 9V(6F22) x 2 (shipping does not include)4. Can be used for a va...
View full detailsFeature:1. Dual-mode line measuring instrument: The line measuring instrument has two modes of digital and analog to choose from. Widely compatible...
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