Usage Tips: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 1-9 P06: 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 reset Special Features: For Ebike Placement on Vehicle: Handle color:Black Material:plastic Package Contents: 1 x display 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.