Đồng hồ đo tốc độ chống thấm nước cho xe đạp

Dear, welcome to walkaround, this will be your shopping paradise, we have 24 hours online Q & A, about the product, please continue to look down~ Feature: 100% brand new and high quality Bicycle speedometer with LCD display Monitor your bikes speed, distance and riding time Ideal for bicycle training and doing exercise Lightweight, durable Make your sports life more free and comfortable Specifications (15 FUNCTIONS): 1.SPD - Current Speed 2.ODO - Odometer (Total Distance) 3.DST - Trip Distance 4.MAX - Maximum Speed 5.AVS - Average Speed 6.TM - Elapsed Time 7.CLK - Clo (12H/24H) 8.SCAN- Screen display varies among ODO, DST, MXS, AVS, TM, RPM,CLK every 4 seconds 9."+" "-" - Comparator 10.Setting Speed Scale (km/h, m/h) 11.Setting Tyre Circumference 12.Freeza frame memory 13.Maintenance alert 14.AUTO ON/OFF 15.Total mileage initial value setting Battery: 1pc cell battery(included) Quantity: 1Set Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon And due to the difference between different monitors, the picture may not reflect the actual color of the item