Features: The controller shell is made of aluminium alloy with design, which can protect the inner circuit due to heat dissipation feature to avoid thermal overloading. This item is a brushless motor controller, it can provide steady speed and sensitive control of braking and direction changes. The wires and interfaces are durable, and ensure low malfunction of long time use. The interfaces have instruction labels on them your easy installation. Suitable electric bicycles, scooter, etc. Specification: Material: Aluminium alloy Rated Working Voltage: 36/48V Rated Power: 350W Current: 13A Low Voltage Protection: 30/42V Suitable Motor Phrase Angle: 60 / 120 degree Suitable : electric bicycle, scooter, etc Size: Approx. 9 x 5.3 x 3cm / 3.5 x 2 x 1.18inch Weight: Approx. 204g Package List: 1 x Brushless Controller Note: The product does not have a cord the display.