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 design and quality. Aluminum alloy frosted shell, tempered glass panel, special lamination process, minimum thickness reaches 6 mm. Battery indicator, boost function, speed display, subtotal mileage/total mileage, running time, metric conversion, fault prompt. Due to different batches, there may be differences in product appearance, color, and text, which will not affect the use. Specification: 5PIN Color: Black Material: ABS Package Contents: 1 x LCD Display Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3 cm.