Features:This display and controller adopt good quality materials, lightweight, rainproof, sturdy and durable.LED display can clearly show the battery capacity, several buttons for quick operation of speed adjustment and headlight, easy to use.The controller is brushless type, working silently and stably, won't suddenly accelerate or decrease the speed to keep you safe.With a mount on the back of LED display for easy installation, suitable for most handlebars.Suitable for electric bicycles, cars, scooters.Specification:Material: Plastic + MetalColor: Shown as pictureOptions: 24V; 36V; 48VPower:250W/350WAutomatic Cruise: 6KM/H (press the MODE button)Speed Mode: 40%; 70% 100%Controller Size: Approx. 9 x 5.2 x 3.2cm / 3.54 x 2.04 x 1.26inchDisplay Size: Approx. 8 x 4.2 X 1.5cm / 3.14 x 1.65 x 0.59inchWeight: Approx. 308gPackage List:1 x LED Display1 x Controller