LCD electronic display instrument: The LCD instrument is beautiful and stylish, suitable for daily use day and night, with clear and visible data and sensitive response, allowing you to observe various parameters during riding at any time, Speed display, power indication, fault prompt, total mileage, single mileage. Control and setting function: Power switch control, wheel diameter setting, idle automatic setting, backlight brightness setting, startup mode setting, drive mode setting, voltage level setting, controller current limit value setting Battery power and remaining power display AVG: average speed, MAX: maximum speed, SPEED: current speed; unit Mp/h, km/h speed signal is taken from the Hall signal in the motor and sent to the instrument through the controller, (time of a single Hall cycle, unit: 1MS) The instrument calculate the actual speed based on the wheel diameter and signal data (the motor Hall also needs to set the number of magnetic steels) Model:LCD S866 LCD monitor Waterproof rating: IP65 Communication protocol: UART Bracket diameter: 22.2mm Display type: segment (The product printed words depending on the batch, but this does not affect use) Specification:36V Color:As Shown Material:plastic Package Contents: 1 * smart LCD instrument with accessories 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.