Features 1、Brushless Motor Controller: This bike motor controller can provide stable speed and sensitive control of braking and direction changes. 2、Quality Assurance: The wire and interface are durable, ensuring low failure rate for long term use, more efficient and more energy saving. 3、Practical Parts: Brushless controller is a good accessory for electric bicycles, scooters, etc., bringing you more comfortable riding experience. 4、Good Heat Dissipation Function: Controller shell is made of metal with groove design, which can protect the internal circuit and avoid thermal overload. 5、Dual Mode Controller: Intelligently identify the state of the motor hall, switch the working mode, the hall is normal, there is a hall operation, and when it is damaged, it switches to no hall operation. Specification Item Type: Electric Bicycle Brushless Motor Controller Color: As Pictures Shown Material: Aluminum Alloy Voltage: 48/60V Power: 500W Current Limit: 28A Low Voltage: 42/53V Weight: Approx.655g/23.1oz Controller Box Size: Approx. 15x8.5x4.5cm/5.9x3.3x1.8in Package List 1 x Controller 1 x Manual