Feature:1. Excellent Performance: The 22A electric bike brushless motor controller provides stable speed and responsive braking and steering control, a great lithium conversion accessory.2. Waterproof Function: With waterproof connectors, this electric bike controller ensures maximum durability in any weather conditions, making it resistant to wind and rain.3. Safety Protection: Equipped with high performance wires and waterproof interfaces, this motor controller is durable and ensures long term use with a low failure rate.4. Slotted Design: The aluminum alloy housing features a slotted design, offering excellent heat dissipation to protect the internal circuitry and prevent overheating.5. Easy Installation and Use: Simply follow the wiring diagram, this electric bike controller is typically suitable for 500W motors, making installation and use convenient.Specification:Item Type: Electric Bike ControllerMaterial: Aluminum Alloy, RubberWeight: Approx. 325g/11.5ozApplicable Motor Power: 500WController Box Size: Approx. 120x55x30mm/4.72x2.17x1.18inController Type: Waterproof Square Wave ControllerConnector Type: Waterproof ConnectorCurrent: 22ARated Voltage: DC 36V 48V.Package List:1 x Controller