SkyFine USA has been created and tested in the USA. We have a locally-owned shop in Carmichael, California. We have expert installers and service centers on hand so that we can deliver great ignition interlock devices IID and installation services. We offer our lowest cost guarantee, never used or refurbished interlock devices, quickest devices with a 2-second straight blow, no sucking/humming required, same day installations at many of our locations, true voluntary interlock devices.