Operation method: Long press the up and down buttons of the instrument to enter the instrument 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: 160; unit minutes. P05: Assist gear 19. P06: Wheel diameter: unit inch; precision 0.1. P07: Number of speed magnets: range 1100. P08: Speed limit: speed percentage range 0100%, 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 (drive through the handlebar, at this time the assist gear is invalid). 2: Power-assisted drive and electric drive coexist at the same time. P11: Assist sensitivity setting range: 124. P12: Power-assisted start intensity setting range: 05. 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: No such function temporarily. P15: No such function temporarily. P16: ODO reset setting. Press and hold the up button for 5 seconds to reset ODO. Type: Waterproof plug Material: Plastic Color: Black Package Contents: 1 x LCD Display 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 to be slightly different from the real thing. The measurement allowed error is +/- 13 cm. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to . We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!