Introduce FAQ: Q1: What is a universal control set? A1: Universal Control Set can replace the original upper control and lower controller to control the motor, so that the treadmill can resume operation. Q2: When to choose this Universal Control Set ? A2: When you can't find a suitable part to repair your treadmill or when the original part too expensive. Q3: What brand of treadmill is suitable for the Universal Control Set? A3: Universal Control Set can compatible with almost all DC motorized treadmills, from 1.0~4.0 HP. Please note: If your treadmill with incline function, please make sure the incline motor is this type ( have red/black/white 3 wires + 3pins incline sensor ). If you can't sure, . Q4: Is this Universal Control Set easy to install? A4: Very very easy. We send the set to you with manual, if you have any questions, don't hesitate to . We guide you through the installation. Q5: What I need to confirm before I order this Universal Control Set? Please make sure a. Motor performance OK b. Transmit function OK, especially belt, lubrication normal. c. Only work for home treadmill use DC motor. Product Features Part number: Ctrlset-001 Application: For all DC motorized treadmills Volt: 85V ~ 240V Motor HP: 1~2 HP or 1~4 HP Max Speed: 16KM/h Warranty: 90 days Package include 1 pcs Controller + 1 pcs Display + 1 pcs safety key + 1 pcs data wire