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 Specification 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 Brushless Controller This controller adopts aluminum shell with groove design ensures good heat dissipation and high temperature resistance ability, which provides better protection for inner circuit. LCD Panel This item is equipped with LCD panel, and it supports multiple setting functions, such as riding speed display, battery status, power assist adjustment and more. Speed Adjustment Throttle This brushless controller is a perfect accessory for electric bike, scooter,etc. Speed Assist Sensor Bringing you a more comfortable riding experience. Hall Sensor The wires and interfaces have good contact, and ensure low malfunction for long time use. Brake This controller set allows steady and sensitive speed control of braking and direction changes.