Features： 1、Metal Controller: The controller shell uses high quality aluminium alloy metal with groove design, which has a good heat dissipation function and can protect the internal circuit to avoid thermal overload. 2、Sensitive Control: The wire and interface are durable, ensuring low failure rate after long term use. The brushless motor controller can provide stable speed and sensitive braking and direction change control. 3、LCD Display Panel: With M5LCD display Panel, which can clearly display status and data. The LCD display panel has an applicable installation aperture of 33mm, and the applicable adapter ring size is 22.5mm (default), 25.4mm and 28.6mm. Three options are available. 4、Easy To Install: The electric motor controller kit is very convenient to use, just connect the sockets of the LCD display panel to the the instrument interface of the controller to realize function. 5、Wide Range of Application: The electric bicycle conversion kit includes a 24/36/48V 350W motor brushless controller and a M5LCD Display Panel, and is very suitable for electric bicycles, scooters, etc. Specification： Item Type: Brushless Motor Controller Kit Material: Aluminium Alloy Product Color: As Pictures Shown Controller Box Size: Approx. 9x5.3x3cm / 3.5x2.1x1.2in Product Weight: Approx. 491g / 17.3oz Power: 350W Current Limit: 13A Package List： 1 x Controller  1 x LCD Display Panel 1 x Manual