Sell Bike Bicycle Speedometer Odometer kG3X best price

Waterproof bicycle speedometer (material) engineering plastic electronic components (display) LCD display screen (size) 46mm x 45mm x 19mmWhen the head is in the middle of the sensor, the distance between the two is preferably around 3 mm. if there is no concept of millimeters, look at the length of 3 mm with a ruler.If the magnetic head and sensor are not close enough, there may be a situation of non-walking books, digital jump and so on.Not for the quality of stopwatch: if the computer is installled and adjusted without reaction, the distance between the head and the sensor may be 15 functions: 1.Record speed 2.Record line Thank you for coming