Electronic wrench and prompting method thereof

An electronic wrench, comprising:

• a main body comprising a working head;
• at least one sensing element disposed on the main body, wherein the at least one sensing element is configured to sense a working status of the working head to generate a sensing signal, and the sensing signal comprises at least one sensing information value;
• a processor electrically connected to the at least one sensing element, and the processor comprising a first prompt lower limit value and a second prompt lower limit value;
• and
• at least one prompting unit electronically connected to the processor, wherein the at least one prompting unit is configured to provide at least one working status prompt;
• wherein when the at least one sensing information value is less than or equal to the first prompt lower limit value, the at least one working status prompt is visible in a first numeric display format, and a range of the first numeric display format has a first allowable error value;
• wherein when the at least one sensing information value is greater than the first prompt lower limit value and less than or equal to the second prompt lower limit value, the at least one working status prompt is visible in a second numeric display format, and a range of the second numeric display format has a second allowable error value;
• wherein the first numeric display format is different from the second numeric display format.