Usage Tips:and high quality. Made of high quality materials, Soft start switch of electric tool, high-quality material, industrial grade, precision processing, exquisite technology, accurate measurement, convenient and fast, professional manufacturing, not easy to break, and wear-, high stability, high concentricity. 230V to 16A conversion module power tool soft start current limiter, Modified 230V to 16A current load module for soft start machines and power tools With 3 connecting wires Operation manual: after installing the soft start module, the machine not start suddenly, but reach full speed in a short time (about 1-2 seconds) after turning on the machine. Name:soft start current limiter Product alias:soft start of electric tools Series:electric tool accessories Working temperature:-40 (℃)-85 (℃) Rated heating current:16A Tips:The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour:Silver Material:Metal Package Contents: 1 * Soft start current limiter 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.