Features 1、Premium Material: Made of high quality aluminum alloy material, reliable performance, sturdy, durable and long service life. 2、Heat Dissoption: The controller shell is made of high quality metal with groove design, which can protect the inner circuit due to good heat dissipation feature to avoid thermal overloading. 3、LCD Display: LCD display can clearly show the state and data, backlight enables you to see scree clearly in dim environment. 4、Sensitive Control: The brushless motor controller can provide stable speed and sensitive control of braking and direction changes. 5、Wide Application: The electric bicycle brushless motor controller is easy to install and use, suitable for 22.5mm/0.89in handlebars. Specification Item Type: Motor Brushless Controller LCD Display Material: Aluminum Alloy Color: As Pictures Shown Weight: Approx. 399g/14.1oz Controller Box Size: Approx. 9x5.2x3cm / 3.5x2.0x1.2in Voltage: 24V/36V/48V Universal Power: 350W Current Limit: 13A Low Voltage: DC19/30/42V Package List 1 x Controller 1 x LCD Display Meter 1 x Manual