Product features: Surface highlight design. Battery indicator: Headlight control: Boost function: Boost gear: Speed display: Subtotal mileage\/total mileage; Running time, metric to English conversion, fault prompt Adapted voltage: 36V\/48V Different batches may cause differences in product appearance, printed text, and color, which will not affect the use Suitable for 36V750W 36V1000W,48V750W 48V1000W brushless motor with Hall and without Hall 24V36V48V\/30A three-mode sine wave 12-tube controller The controller is a sine wave three-mode controller, matched with Hall and non-Hall brushless motors, with self-learning function Instrument model: S830 Material: Metal+Plastic colour: black Package Contents: 1 x LCD Display 1 x Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.