Features: (1) Display Function: Speed display, power-assisted gear display, power indicator, fault prompt, total mileage, single mileage, headlights and single driving time display.(2) Control/Setting Function: Power switch control, headlight switch control, 6Km/h boost control, wheel diameter setting, speed limit setting, meter sleep setting, backlight brightness setting, voltage setting.(3) Harness Red (P+) meter power cord; Blue (VCC) electric door lock wire; Black (GND) negative wire; Green (RX) Meter data receiving; Yellow (TX) Meter data transmission(4) Meter Setting Function: Long press the up and down buttons of the meter to enter the meter settings.P01: Backlight brightness, level 1 is the darkest, level 3 is the brightest.P02: Mileage unit, 0: KM; 1: MILE.P03: Voltage level: 24V, 36V, 48V.P04: : 0, no sleep; other numbers are , range: 1-60; unit minutes.P05: Power assist gear 1-9P06: Wheel diameter: unit, inch; precision: 0.1.P07: Number of speed magnets: range: 1-100.P08: Speed limit: speed percentage range 0-100%, 100 means speed 100%.P09: Zero start, non-zero start setting, 0: zero start; 1: non-zero start.P10: Drive mode setting 0: power-assisted drive (the handle is invalid).1: Electric drive (by turning the handle to drive, the is invalid at this time).2: Power-assisted drive and electric drive coexist at the same time.P11: Assist sensitivity setting range: 1-24.P12: Assist start intensity setting range: 0-5.P13: Power-assisted magnet type setting There are three types of 5, 8, and 12 magnets, of which 5 and 8 are single Hall power-assisted sensors.Setting 12 is used For dual Hall assist sensors.P14: This function is yet.P15: This function is yet.P16: ODO reset setting, Long press the up button For 5 seconds ODO resetSpecial Features: For EbikePlacement on Vehicle: Handlecolor:BlackMaterial:plasticPackage Contents:1 x display.