1. Using high quality PCB + ABS material, with shell design greatly increases the life of the product, quality assurance 2. With LCD display, remote control, positive and negative rotation arbitrary switching, to meet a of needs 3. 0-990 three-digit digital display, simulation tachometer dual-use, support for dual-speed, different directions, different speeds 4. Wide voltage design, DC10-55V, adapt to a range of motor 5. 360-degree mechanical touch speed control, speed control open/pause one switch design. Name: DC brush motor speed controller Input voltage: DC10-55V Maximum current: 30A Display: LCD digital display Forward and reverse: bidirectional Speed control mode: key plus knob Overload protection: Yes Support load: DC brush motor Wireless remote control: Yes Control mode: remote control [remote control built-in battery]. Installation mode: embedded Setting function number: 11 Wiring type: fence terminal Colour:Purple Material:Plastic Package Contents: 1 * Motor speed controller 1 * Remote control 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.