Portable laser diameter gauges measure is only applicable to small diameter electronic wire, enameled wire, micro-fine wire drawing and other portable polling diameter. Product Features Long-life rechargeable power supply, strong anti-interference, easy to carry. Imported long-life semiconductor lasers, ultra-high-speed optical scanner, high-speed data processing technology, sampling speed, high precision, stable performance. Detection wire diameter fast, accurate, objective, on the wire without damage delicate appearance