Features13 Mode Sine Wave Controller: When the motor Hall is normal, it will automatically operate in the sine wave mode. When one of the motor Hall is damaged, it will automatically identify and repair it. When the Hall is damaged, it will switch to the no Hall mode to operate. When the motor Hall is normal, it will remember the phase sequence. When the Hall is damaged, there will be no error. 2Controller Perforamnce: The controller casing is made of metal with groove design, which can protect internal circuits and avoid thermal overload due to its heat dissipation function. 3Display Performance: The display adopts ABS material, which is lightweight, sturdy, and durable, with fine workmanship, good toughness and waterproof performance, providing better protection for internal circuits, making it more durable. 4Brushless Motor Controller Specofication: Voltage is 36V 48V, power is 500W, current limit is 28A, low voltage is 30V 42V. 5Package List: 1 x Throttle Grip with LCD Display, 1 x Grip, 2 x Key, 1 x Controller, 1 x Manual, providing you great using experience.SpecificationItem Type:ElectricBikeControllerwithThrottleTwistGripsMaterial: ABS, Aluminum AlloyWeight: Approx. 738g / 26.0ozVoltage: 36V 48VPower: 500WCurrent Limit: 28ALow Voltage: 30V 42VPackage List1 x Throttle Grip with LCD Display1 x Grip2 x Key1 x Controller1 x Manual