1Aluminum shell with groove design ensures good heat dissipation and high temperature resistance ability, which provides better protection for inner circuit 2It allows steady and sensitive speed control of braking and direction changes 3The wires and interfaces have good contact, and ensure low malfunction for long time use 4Equipped with LCD panel, and it supports multiple setting functions, such as riding speed display, battery status, power assist adjustment and more 5Perfect accessory for electric bike, scooter,etc. Bringing you a more comfortable riding experienceFeatures: Aluminum shell with groove design ensures good heat dissipation and high temperature resistance ability, which provides betterprotection for inner circuit.It allows steady and sensitive speed control of braking and direction changes.The wires and interfaces have good contact, and ensure low malfunction for long time use.Equipped with LCD panel, and it supports multiple setting functions, such as riding speed display, battery status, power assistadjustment and more.Perfect accessory for electric bike, scooter,etc. Bringing you a more comfortable riding experience.Specification: Condition: 100% Material: Aluminum + Plastic Color: Black Rated Working Voltage: 36V/48V Rated Power: 250W/350W Max Current: 13A Low Voltage Protection:30V/42V Weight: Approx. 1100g Packing List: 1 x Brushless Controller 1 x LCD Panel 1 x Pair of Brake 1 x Pair of Speed Adjustment Throttle 1 x Hall Sensor 1 x Speed Assist Sensor Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.