ITEM NAME:Digital clock for motorcycle or car (format 24 H, 16 mm, adjustable, 7-30 V G3B2 Digital clock for motorcycle or car (format 24 H, 16 mm, adjustable, 7-30 V G3B2 Digital tube: 40.6 mm x 16 mm x 12 mm PCB Dimension: 35mm x 16mm Power supply: DC 7-30V Time mode: 24 hours Display: Four LED digital tube 0.4" package includes: 1x Car LED Clock Display Color: Blue Update Frequency: About 300mS Setting the time: a single button, sliding scale Power-Off: keep time 2 years, but no LED light. Overload: 4-stroke range Operating temperature: -40 Celsius - 85 Celsius 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..Digital tube: 40.6 mm x 16 mm x 12 mm. Display: Four LED digital tube 0.4". Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.