Features1Complete Kit: This electric bicycle lithium battery modification kit contains a 17A three mode sine wave controller, GD01 LCD meter, which can be used alone or in combination. 2Application: Suitable for 24V, 36V, 48V 250W350W Hall brushless motor, which can be used for the modification of electric bicycles, electric scooters, replacement of damaged parts. 3Hall Motor: The controller can operate with or without Hall brushless motor, with self learning function, sine wave mode when the motor Hall works normally, and switch to Hall free square wave mode if damaged. 4LCD Display: The LCD instrument can display riding speed, riding mileage, assist gear, power indication, fault code prompt, headlight display, motor running power, etc. 5Applicable Handlebar: The LCD display applicable for 22.2mm handlebars, the controller adopts aluminum alloy shell with groove design, with good heat dissipation to prevent thermal overload.SpecificationItem Type: Three Mode Sine Wave ControllerController Parameters:Material: Aluminum alloyCurrent: 171AVoltage: DC 24V 36V 48VSpeed Setting: 1.1-4.2V Brake Input: Low levelApplicable Motor: 250W-350WInstrument Parameters:Material: ABS+acrylicApplicable Handlebar: Approx. 22.2mm/0.87inVoltage: 24V 36V 48VInstrument Function: Display: Speed display, assist gear display, power indication, fault prompt, total mileage, single mileage, headlight displayPackage List1 x Three Mode Sine Wave Controller1 x Instrument1 x Controller Wiring Diagram1 x Manual