Features1Metal Construction: The controller's housing is crafted from metal with a groove design, providing heat dissipation to protect internal circuits and prevent overheating. 2ABS Display: Made of ABS material, the display meter is lightweight, tough, and water resistant, offering superior guard for internal circuits and enhancing durability. 3Clear LCD: The LCD screen clearly shows status and data, with backlighting for easy viewing in dim environments, featuring button controls for convenient operating. 4Brushless Operating: This electric bike brushless controller operates quietly and is sensitive to the status of electric bikes, ensuring ease of installation and use. 53 Mode: When the motor hall is normal, automatically run in sine wave mode, when the motor hall has a damaged one, it will automatically recognize and repair it, when the hall is damaged, it will switch to the no hall mode, when the motor hall is normal, it will recognize the phase sequence and then memorize it, and there will not be any error when the hall is damaged.SpecificationItem Type: Electric Bike ControllerKitMaterial: ABS, Aluminum AlloyPackage List1 xController1 xDisplay1 x Instruction Manual