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 + Metal Color: Shown as picture Options: 24V; 36V; 48V Power: 250W/350W Automatic 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 1.26inch Display Size: Approx. 8 x 4.2 X 1.5cm / 3.14 x 1.65 x 0.59inchWeight: Approx. 308g Package List:1 x LED Display 1 x ControllerNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..