Type: Display Rated voltage: 24V Rated power: 250W Under voltage: 21V Over current: 16A P00: 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 ,range: 1-60; unit: minute; P04: Wheel diameter: unit is inch; 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,0: cancel cruise function,1: auto-cruise starts after 7 seconds of throttle; P10: Password is used,0: no password is required,1: password is required; P11: Password: 00-99; P12: ODO clear setting Press the button for 5 seconds to clear the colour: black Material: plastic Size: Diameter: 46.6mm Length: 88mm Package Contents: 1 * controller 1 * round meter 1 * electronic brake Only 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 +/- 1-3cm.