Applicable voltage: 24V, 36V, 48V, 52V, 60V, 72V.Compatible protocols are 2, 5S, KDS, Bafang v5.2, JLCD, APT 1.3In the normal display mode: the meter displays the current speed, DST/ODO, power, time, temperature, gear Position and motor power information; at this time: Short press the [M] key to switch between DST and ODO; Short press the [Up] key to increase the gear;Short press [Down]key to decrease the gear position; Short press[F]key to switch speed display mode: current speed/maximum speed/average speed; maximum speedThis is the maximum speed since booting; the maximum speed and average speed will automatically return after 5 seconds.Back to current speedLong press [Up]key to switch the headlights;Long press [Down] key to switch cruise or 6km boost; Long press [Up+Down] key to enter normal parameter setting mode; Long press [F+Up+Down] key to enter advanced parameter setting mode; Advanced parameter mode includes normal moldType parameters, and can also modify the protocol and password.Long press [M] key to turn off; In normal mode, long press [F+Up] key to enter the riding time reset mode. When riding in this modeFlashes, at this time, long press[up]key to clear the riding time and single mileage DST; no operation within 20 secondsExit to normal mode. In the parameter setting mode:Each line is a setting item, the left side is the parameter name and brief description, the right side is the parameterNumerical value[Up][Down]key can control the selected parameter (highlighted in yellow), at this time short press[M]A small window for parameter value setting can be popped up, and the parameter value can be set by pressing the [up][down]key, short press[M]key to return;According to different parameter types, a corresponding setting window will pop up;Long press[up+down]key to save and return to normal mode;Material:plasticcolour:blackPackage Contents:1 * Electric bike display(Waterproof connector)Only the above package content, other products are not included.Note: Light shooting 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.