Specification Material: ABS Color: Black Style: Modern Assembly Required: Yes Power Supply: CR2032 Battery(Included) Endurance Time: About 3 Months (Without Turning on the Screen Light) Screen Size: 6.1cm/2.4in Bicycle Speedometer Size(L*H): About 45*65mm/1.77*2.56in Package Size: 14*8*4cm/5.51*3.15*1.57in Gross Weight: 0.35kg/0.77lbs Net Weight: 0.1kg/0.22lbs.
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