Specification 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: Sleep time: 0, no sleep; other numbers are sleep time, 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 power gear 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 not available yet. P15: This function is not available yet. P16: ODO reset setting, Long press the up button for 5 seconds ODO Tips: Please allow 1-3cm error of measurement. Photo color might be a little different from the actual product due to color display of different monitors. Product Includes: 1x Ebike Colour SW900 LCD Display Control Electric Bicycle Speed Meter 36-72V