1、Heat Dissoption: The controller housing is made of high quality metal with grooves designed to protect the internal circuitry from thermal overload due to good heat dissipation. 2、Premium Material: Made of high quality aluminum alloy material, reliable performance, sturdy, durable and long service life. 3、Stable Speed: The brushless motor controller can provide stable speed and sensitive control of braking and direction changes. 4、Wide Application: The electric bicycle brushless motor controller is easy to install and use, suitable for 22.5mm/0.89in handlebars. 5、LCD Display: LCD display can clearly show the state and data, backlight enables you to see scree clearly in dim environment. 6、Working Condition: Three mode sine wave controller, when the motor Hall is normal, controller runs in sine wave mode. When the motor Hall is damaged, it will automatically switch to square wave mode. When the motor Hall is completely damaged or the motor has no Hall, it runs in the no Hall mode. Item Type: Motor Brushless Controller LCD Display Material: Aluminum Alloy Color: As Pictures Shown Weight: Approx. 496g/17.5oz Controller Box Size: Approx. 9x5.2x3cm / 3.5x2.0x1.2in Power: 350W Current Limit: 13A 1 x Controller 1 x LCD Display Meter 1 x Manual