Brushless motor is adopted to provide ultra-high rotating speed, effectively improve working efficiency and meet your various requirements of grinding, cutting and polishing. The electronic control can realize stepless speed change, making the operation simpler and the operation more accurate. With the overload protection design, the motor can be prevented from overheating and is . Brushless motor reduces wear, greatly increases the service life of angle mill, and can make sure long-term and lasting use. Due to the use of high-density lithium battery power supply, the brushless lithium angle mill can also work in places without power supply, which is very suitable for outdoor work. Product name:Electric Wrench Controller Unit:500/600N Suitable for:24V Color:Black Material:Metal+Plastic Package Contents: 1 * Electric Wrench Controller 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.