1、Durable Aluminum Controller: The controller's premium metal casing with grooved design not only enhances its aesthetics but also provides excellent heat dissipation, protecting the internal circuitry from overheating. 2、Waterproof Display Panel: The ABS display panel cover is lightweight yet sturdy, finely crafted, and has excellent toughness and waterproof properties, offering better guard to the internal circuits for enhanced durability. 3、Bluetooth Module: One Bluetooth APP is specially designed for electric bikes, which real time communicates with the Bluetooth module added to the controller through the Bluetooth function of the cell phone, and realizes a variety of bike control and status display functions on the cell phone. 4、Easy Installation: Perfect for replacing old or damaged parts, this controller kit is easy to install and apply, suitable for DIY electric bikes, electric scooters, folding bikes, etc. 5、Enhanced Riding Enjoyment: This electric bike modification kit significantly improves the joy of riding, making it a perfect choice for riders seeking an enhanced riding experience. Item Type: Electric Bike Controller Kit Material: Aluminum Alloy, ABS Weight: Approx. 1521g/53.7oz 1 x Controller 1 Pair x Twist Shifter 1 x Assist Sensor 1 x Display 1 x Display Instruction Manual 1 x Controller Instruction Manual