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ROX 8.0
I bought a CR 2450N battery and tried to insert it in my bike computer. It did not work properly. Could you please give me feedback? 
Where is the DATA CENTER 2.0 analysis software available?  
With which operating systems is the DATA CENTER 2.0 analysis software compatible?  
For which bike computers can the DATA CENTER 2.0 be used? 
Are additional accessories required to transfer and analyze the trip data?  
What minimum/maximum temperature is shown at the ROX 8.0 / ROX 9.0? 
What is the warranty coverage on SIGMA products?

The warranty on SIGMA products in North America is 2 years from the date of purchase. The warranty covers defects in material and workmanship. The warranty does not cover batteries, wear-and-tear, wear caused by commercial usage, or damage caused by a crash/accident. Proof of purchase is required. If your SIGMA product is not functioning properly and you feel that you have a potential warranty claim, please contact SIGMA USA at 888-744-6277 for technical support and/or to receive a return authorization number.
Operating instructions
D, GB
F, I
E
NL, CZ, PL, RUS
DK
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Installation instructions