| 摘要 |
An electronic hand tool comprises a handle installed with an electronic device for deriving a tension of the tool as the tool is used to drive an object and displaying the derived tension value; the handle being installed with an operating portion; the operating portion including a button which slightly protrudes from a surface of the handle; and an upper surface of the button being an inclined surface. The button has at least one function of controlling the actuation the electronic device, calibration of the tension value, and adjusting the range of the tension, and determining the displaying unit of the tension value. The inclined surface may be a cambered concave surface. One end of the driving portion is a ratchet head and another end of the driving portion is an opened end; and the ratchet head and opened end are installed at two ends of the handle.
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