Instrument setting function:Long press the up and down buttons of the instrument to enter the instrument settings.P01:meter backlight;Level 1 is the darkest, level 3 is the brightestP02:Mileage unit,0:KM;1:MILE;P03:Voltage level, Base operating voltage;P04:Sleep Time, 0: no-sleep, unit: minP05:Assist position,0:3,1:5,mode;P06:Wheel Diameter, unit: inch;Accuracy:0.1;P07:Number of speed magnets, range:1-100;(Note: here only for set speed display, doen't affect the actual speed)P08:Speed Limit, Range:0-50km/h,50: means Unlimited speed;(When speed big thansetting speed, Turn off the PWM output)P09: soft start, hard start;1:non-zero start;P10:Drive Mode setting: 0: Power Drive, throttle invalid; (Assist power)1: Electric throttle Drive mode, Assist invalid;2: Both assist and throttle are effective;P11:Boost sensitivity setting, range:1-24;P12:Boost start strength setting, range:1-5;P13:PAS Assist Type Setting.(5/8/12)Single Hall PAS: set to 5 /8Double Hall PAS: Set to 12P14:Not opened functions;P15:ODO clear; long press up button 5 secondsto clearStyle: 250W(S6-65/S887)Material:Composite materialcolour:BlackPackage Contents:1 * controller1 * display Only the above package content, other products are not included.Note: Light shooting 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.