How to Use: Function can be realized by connecting display socket to instrument interface of controller. If you want to connect other accessories, please refer to manual Specification: Item Type: Brushless Controller LCD Display Material: Aluminum Alloy + ABS Controller Box Size: Approx. 18.2 x 8.5 x 4.2cm/7.2 x 3.3 x 1.7in Voltage: 36V/48V Universal Power: 1000W Current Limit: 38A Introduction to working principle and status of dual drive controller Dual drive controller instrument kit uses same set of brake levers, turn handles, and reverse switches. LCD instrument is connected to main controller. Main and sub controllers are simultaneously connected to the dual drive signal exchange socket of main controller with the same battery power supply and other sub controllers. Dual drive signal interactive sockets of controller are connected to each other, and then the main controller and the sub controller are connected to their respective motors. After instrument is turned on, it will identify the phase of motor, forward and reverse direction of rotation and battery type through intelligent identification line. After identification line is turned on, entire system can operate normally. At the same time, two motors are controlled to run at the same speed and brake at the same time. Package List: 2 x Controllers 1 x LCD Display 1 x Manual