Size: cross part is standard 31.8mm, and the vertical bar part is standard 28.6mm   Battery: button battery 2032   Name: bike code table   Weight: 392g Specifications: 1. Curved screen design, fluid aesthetics   2. All Chinese luminous display, super waterproof and shockproof code meter handle   3. IPX6 waterproof grade   4. Backlight function: two modes, touch any key, and the night light will be on 6 seconds, press the left and right keys simultaneously 3 seconds, and the backlight will stay on   Power saving mode: there is no signal input within 5 minutes, and the screen enters the standby mode, showing only the current clock; Touch any key to restore the pre standby mode. Please leave before riding to wake up the code meter   5. Sampling mode: touch the left button in any mode to enter the sampling mode: the line at the bottom of the screen flashes: press the right button to browse the -way, extreme speed, average speed and line time data that have been sampled, and press the left button to exit the sampling mode when returning to modes   In scanning mode: the screen displays -way, extreme speed, average speed and line time in turn every 4 seconds; Press the right button to end the cycle and enter the horizontal clock pattern.   Mode switching Package Included: Magnetic head * 1, waterproof cover * 1, four ties * 1, instruction manual * 1 * code meter