Features1Metal Shell: The controller shell is made of metal with grooves to protect the internal circuit from thermal overload due to good heat dissipation. 2Protection Function: Voltage of 48V, rated power of 350W, stable and reliable performance. It has protection functions such as under voltage protection, over current protection and stall protection to ensure the use and safety of electric bike. 3Stable And Sensitive: The brush motor controller can provide stable speed and sensitive control of braking and direction change. 4Controller Suitable: The controller is suitable for electric bikes, electric tricycles and electric motorcycles, with a wide range of applications. 5Thumb Throttle Suitable: The electric bike throttle handle is suitable for electric bikes, modified electric bikes, scooters, tricycles and other electric vehicles from 12V99V. Suitable for lithium batteries, water batteries, dry batteries and other batteries.SpecificationItem Type: BrushSpeedMotorControllerMaterial: Aluminum Alloy, Rubber, ABSController Type: Brush ControllerThumb Throttle Applicable Voltage: 12V-99VController RatedPower: 350WController Rated Voltage: 48VPackage List1 x Controller1 x Throttle Handle2 x Key1 x Headlight1 xSwitch5 x Wiring Plug Set10 x Accessories