Precautions: Model Number: SD-548C Weight: 81g Whether with a luminous: No Waterproof: Yes Specific: Wireless Size: 4.7 * 4.8CM Wireless sensing distance: 50CM 1. Which wireless bicycle code table for the newNo built-in ball switch, 2. stopwatch waterproof function, can be used in the rain, but not Qinru water use; 3. code table on the back of the battery cover open, being careful not to lose the waterproof gasket; The probe and the magnet should be kept sensing distance of 2mm, handlebar diameter within 2.5CM; 5. stopwatch Specifications: High: 5.1cm width: 4.6cm thick: 2cm, picture might look bigger, please note; 6. electronic products, must correctly install and set up, if in doubt please contact us. The main function: 1.SPD CURRENT SPEED / driving speed 2.ODO ODOMETER / total traffic mileage 3.DST TRIP DISTANCE / single Mileage 4.MAX MAXIMUN SPEED / maximum driving speed 5.AVS AVAAGE SPEED / average speed 6.TM ELASPED TIME / travel time 7.CLK CLOCK / (12H / 24H) Clock 8.SCAN automatic cycle function 9 "+" "-." COMPARATOR / contrast prompts 10.SEETING SPEED SCALE (KM / M) / km and miles Preferences 11.SEETING TYRE CIRCUMFERENCE / tire circumference setting (0mm-9999mm) 12.SEETING THE LAST VALUE OF ODOMETER / total mileage initial value setting (km / mile) 13.FREEZE FRAME MEMORY / traffic data sampling function 14.AUTO ON / OFF switch 15.WIRELESS TRANSMISSION radio receiver
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