waterproof bicycle speed meter - SD-548C

wireless bicycle computer

1. the bicycle computer is waterproof, but can't put in water use, it could use in rain

2. when open the battery cover please be careful and don't loose waterproof gasket

3. searching unit and magnet should keep in distance 2mm, the bicycle tube diameter less than 2.5cm

Main function:

1.SPD CURRENT SPEED
2.ODO ODOMETER
3.DST TRIP DISTANCE
4.MAX MAXIMUN SPEED
5.AVS AVAAGE SPEED
6.TM ELASPED TIME
7.CLK CLOCK/(12H/24H)
8.SCAN
9.“+”“-”COMPARATOR
10.SEETING SPEED SCALE(KM/M)/
11.SEETING TYRE CIRCUMFERENCE
12.SEETING THE LAST VALUE OF ODOMETER
13.FREEZE FRAME MEMORY
14.AUTO ON/OFF
15.WIRELESS TRANSMISSION