This company uses the AMS 2000 model device. DO NOT GO HERE. This company does not issue refunds or accepts accountability for when their devices malfunction. And their device will undoubtedly malfunction. Such a hassle. You think youre done with the State BS from your DUI but this company pushes a whole new realm of hoops and fees for you to jump through. This device is faulty. If your local ignition interlock company uses this device, go elsewhere.