Feature:1. Heat Dissipation Effect: Controller outer case is aluminum alloy material with design, able to the internal circuitry from thermal overload.2. Parameters Description: Our bike controller kit is universal for DC 24V, 36V and 48V, power is 350W and the low voltage is DC 19/30/42V, current limiting is 13A.3. Sensitive Control: Brushless motor controller can provide stable speed and sensitive control of braking and turning, making you feel convenient during use.4. Easy to Use: Our electric brushless motor controller is easy to install and use, LCD display panel is suitable for 22.5mm/0.89in handlebars to install.5. Clear Display: While riding your bike, the panel will display a lot of data on your bike, making it easier for you to get clear about the state of your bike.How to Use:Controller connected to the corresponding line interface can achieve the function; If you need to connect other accessories, please follow the manual.Instrument cable color definition 1. Red is for the positive pole of the power supply.2. Yellow is for switch output.3. Blue is for signal reception.4. Green is for signal transmission.5. Black is for the negative pole of power supply.6. White is for the positive pole of the headlamp.Specification:Item Type: Bike Controller with LCDMaterial: Aluminum AlloyProduct Size: Controller Box: Approx.9x5.3x3cm/3.5x2.1x1.2inWeight: Approx.433g/15.3ozVoltage: Universal for DC 24/36/48VPower: 350WLow Voltage: DC 19/30/42VCurrent