A new transmitting module has been introduced that utilizes Bluetooth(R) connectivity that allows both monitoring and control of your Series II Fridge Freezer. For existing ARB Fridge customers, the new transmitter will work with any ARB Fridge Freezer manufactured post - 2014. The mobile application is available for free via Google Play or the Apple App Store. If you choose to fully integrate your fridge freezer into your vehicle via LINX, update to the latest version (1.4 or above) and the module will download for free onto your device.