Functions 1.SPD Current Speed 2.ODO Odometer(Total Odometer of Riding) 3.DST Single Trip Distance 4.MAX Maximum Speed 5.AVS Average Speed 6.TM Total Trip Time (including the break time) 7.CLK Clock (12H/24H) 8.Auto Scan (DST， MXS， AVS and TM will indicated) 9.Speed Comparator ("+"''-" to remind you higher or lower speed than average) 10.Setting Tyre Circumference((0mm~9999mm) Setting Speed Scale(km/h，m/h) 11.Freeze Frame Memory 12.Setting the Last Value of Odometer Specifications Power source: CR2032 battery Dimensions: 11.5 * 7* 4cm Package weight: 76g Package included1 * Magnet 1 * Battery 1 * Sensor 4 * Cable tie 1 * User manual