1. Using high quality PCB and ABS material, with 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 x Motor speed controller 1 x 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.