Note: folding can not be installed， not recommended to buy，
This is because the stopwatch wireless stopwatch， sometimes interference from other signals will bounce， you bikers if this happens， ease of use， this phenomenon does not affect the normal use of
Reminder: waterproof code table is slight， not rain， pro mind， please carefully shot Thank you!
Size: 4.5 * 5.6CM
Weight: about 80 grams
Power supply: a button battery
This is because the stopwatch wireless stopwatch， interfering in relatively large areas easily jump to 99.9 number (such as the computer)， you bikers receive the product if this happens， ease of use
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