Type: DisplayRated voltage: 24VRated power: 250WUndervoltage: 21VOvercurrent: 16AP00: Backlight brightness, level 1 is the darkest, level 3 is the brightest;P01: Mileage unit, 0: KM; 1: MILE;P02: Voltage level: 24V, 36V, default 24V;P03: : 0 - no sleep; other numbers are, interval: 1-60; unit: minute;P04: Wheel diameter: unit is inches; accuracy: 0.1;P05: Number of speed magnets: Range: 1-100;P06: Speed limit: range 0-100%, 100 means unlimited speed;P07: Zero start, non-zero start setting, 0: zero start; 1: non-zero start;P08: Soft start, hard start setting, 0: hard start, 1: soft start;P09: Automatic cruise control, 0: cancel cruise control function, 1: automatic cruise control starts after 7 seconds of throttle;P10: Password used, 0: no password required, 1: password required;P11: Password: 00-99;P12: ODO clear setting Press the button for 5 seconds to clearcolor: blackMaterial: plasticSize: Diameter: 46.6 mmLength: 88 mmPackage contents:1 * controller1 * round meter1 * electronic brakeOnly the above package content, other products are not included.Note: Light 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 +/- 1-3 cm.