Brand QIYING Model QY-C01bk Quantity 1 Color Time display / Detect the instantaneous velocity (0.0-99.9KM/H) / Average speed / Max. speed / Overall mileage / One-way mileage / Exercise time: 0:00:00-9:59:59 / 12 /24 fomat clock / Automatic save power Material ABS Functions Time display / Detect the instantaneous velocity (0.0-99.9KM/H) / Average speed / Max. speed / Overall mileage / One-way mileage / Exercise time: 0:00:00-9:59:59 / 12 /24 fomat clock / Automatic save power Screen Size 1.2 Inch Power Supply 1 x CR2032 battery included Packing List 1 x Bike computer (90cm fix band) 1 x Magnet 1 x Rubber band 2 x Binding bands