Product model: M5 ultra-thin design, LCD instrument with metal frame Product size: 93.4 x 56.4 x 9 mm Adaptive voltage: 24V/36V/48V/60V (24V-60V adjustable) Product shell: ABS and metal parts Communication: UART Applicable handlebar size: 22.2 mm / 25.4 mm / 28.6 mm / 31.8 mm Waterproof grade: IP65 Product features: Combination of art and quality. Aluminum alloy frosted shell, tempered glass panel, special lamination process, minimum thickness reaches 6 mm Battery indicator: Boost function, boost gear, speed display, subtotal mileage/total mileage, running time, metric conversion, fault prompt Note: Due to different batches, there may be differences in product appearance, color, and text, which do not affect usage Specification: 5PIN Color: Black Material: ABS Package contents: 1 x LCD Display Note: Other products are not included. Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3 cm.