Features1Good Heat Dissipation: The controller housing is made of aluminum alloy with grooves to protect the internal circuits from thermal overload due to good heat dissipation. 2Sensitive Control: Brushless motor controller can provide steady speed and sensitive control of braking and direction changes. 3Safe And Durable: Electric bike controller uses high temperature resistant flame proof wire, more safe and durable, and ensure low malfunction of long time use. 4Stable And Reliable: With undervoltage protection, overcurrent protection, stall protection and other protection functions, to ensure the safe use of electric bicycles. 5Wide Application: Brushless motor controller is suitable for electric bicycles, electric bike, electric scooter, etc. Easy to use and install.SpecificationItem Type: Electric Bike Brushless ControllerProduct Material: Aluminum AlloyWeight: Approx. 217g / 7.7ozVoltage: 48V Power: 250WPackage List1 x Electric Bike Brushless Controller