Feature:1. Brushless controller shell is made of aluminum alloy, and the notch design is sturdy and durable.2. Due to the good heat dissipation function, the internal circuit can be protected to avoid thermal overload.3. Brushless motor controller can provide stable speed and sensitive control of braking and direction changes.4. This display uses high quality materials, is light, rainproof, sturdy and durable. LCD backlit display can clearly display status and data.5. Universal in the range of voltage 36V to 60V, universal at 450W/500W power, current limit 25A.How to Use:The display socket can be connected to the instrument interface of the controller to realize the functionSpecification:Item Type: Brushless Motor ControllerMaterial: Aluminum Alloy, ABSController Box Size: Approx. 12 x 8.5 x 4.5cm / 4.7 x 3.3 x 1.8inVoltage: 36V-60V UniversalPower: 450W/500W GeneralCurrent: Current Limit 25A Package List:1 x Controller1 x Display2 x User Manual