How to customize
your
system?
It's simple! Tell us
what you want to remove and what you want to add! To
customize, please follow the steps below:
1) Bid, Best
offer or Buy It Now on a eBay listing.
2) After you
won, please send us a message about the change. (You can only remove up
to TWO accessories from a system )
3) We will
update the invoice as your change. New total = original price + added sensors
- removed sensors. (The new total should be at least as much as the
original package. )
Or, if this way doesn't help you to build up your
system, please 