Ultra-quiet, motor ripple is minimized to achieve no noise, no vibration and comfortableThe controller has high conversion efficiency,which can effectively reduce controller temperature rise and extend battery life.Fit For: Electric Motorcycle/E-bike/Scooter/Electric Bicycle/Balance SkateboardSpecification:Type:DC Motor/Speed ControllerVoltage:DC 36VRated Power:350WUndervoltage:30VCurrent-Limiting:8.8AInstruction:Battery display:33v-36v The first light is long36v-37v one or two lights long bright37v-38.5v one or two lights long bright38.5v or more, one, two, three, four lightsLow voltage alarm: The first light flashes when the battery is 33V, and the buzzer sounds 6 .Low voltage alarm speed mode: The speed limit is about 15Km/h. When the power returns to 37V,the throttle must return to the initial position to release the low voltage and return to normal operation.Constant speed : The speed is stable for about 6 seconds to automatically the control after the is fixed, the throttle can be released; press the brake or push the throttle again to release the control and enter the manual mode.Speed: The low speed is 152km/h; the high speed is 25km/h (maximum)Note:Load has a certain effect on speed.Automatic shutdown: Automatically shut down 10 minutes after no operation.Colour:Black+silverMaterial:Metal + plasticPackage Contents:1 * Controller1 * Dashboard1 * Accelerator1 * Headlight1 * Taillight1 * connecting wireOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.