1.Aluminum Alloy Shell: The shell of the controller is made of aluminum alloy, which has good heat dissipation. It can preserve the internal circuit and avoid thermal overload. 2.For Brush Motor: The controller is designed for brushed motor that provides constant speed, sensitive braking and commutation control. 3.Durable Cable and Interface: The wire and interface are durable, ensuring low defects after long service. They can make sure the controller's long service life. 4.Wide Compatibility: This controller has a wide range of applications. It can be applied to electric bike, electric scooter, electric tricycle and electric motorcycle. 5.Voltage and Power: This controller is suitable for 12V rated voltage and 250W power. Please confirm the voltage and power of your electric vehicle before purchasing. Item Type: Brushed Motor Controller Material: Aluminum Alloy Weight: Approx. 119g/4.20oz Rated Voltage: 12V Rated Power: 250W Under Voltage: 8.50.5V Turning Handle: 1-4V 1 x Brushed Motor Controller