Product selling points: 1. Using high quality PCB + ABS shell material, quality is guaranteed, greatly improving the service life of the product2. On-board knob/switch, 360-degree mechanical feel, speed control start/stop one switch3. This is an intelligent speed controller, remote control speed and positive and negative rotation can be switched at will, the shipment configuration remote control [remote control built-in button batteries]4.0-999 three-digit digital display scale percentage table, simulation tachometer dual-use5. The product is soft start and soft stop and comes with voltage over-limit protection, current over-limit protection, safer and more convenient to use!Product parameters:Input voltage: DC 6-55VMaximum current: 15ADisplay mode: liquid crystal digital displayForward and reverse: bidirectionalSpeed control mode: key plus knobOverload protection: YesSupport load: DC brush motorWireless remote control: YesInstallation mode: embeddedSet the number of functions: 11Wiring Type: Grid terminalProduct size: 77mm x 57mm+38mmOpening size: 72mm x 52mmColor: as shownMaterial: Plastic(Due to different product batches, the appearance may vary, which does not affect the use)Package Contents:1 * Speed controller1 * Remote controlOnly 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.