Accuracy: difference 2% clockwise, 2.5% counterclockwise. units: kgf.cm, m, lbf.ft, lbf.in. Sound and light alarm function and backlight function. Working modes: real-time mode, mode, preset mode. Power supply: 2*7 batteries(Not Include). Automatic shutdown: the product will automatically shut down without operation for 10 minutes. Overload protection: After the product is forced to 120% of the full scale, the screen will display "oLoRd", indicating that it is overloaded and cannot continue to be applied. Colour:orange+black :Plastic + Metal type:20-200Nm Package Contents: 1 x Digital Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.