With dfreeeze you are able to control your parking heater really comfortable with your smartphone, table, PC or Mac. Independent from the distance to your car, you are able to:-switch your parking heater on or off-to program a departure time-to request the status of your parking heater.dfreeeze combines state-of-the-art with established mobile communication technologies and thus it works as safe, fast and easy as your good old remote control, even if the cellular network is overloaded.The components at a glance:app: with the app the parking heater is controlled.- dfreeeze receiver: for the communication between the parking heater and the app, you need to have a dfreeeze dfreeeze receiver installed in your car. Please ask your preferred dealer for details. - subscription: For using the dfreeeze system a annual subscription is needed. For detailed information please visit us on dfreeeze.comThe main advantages of the dfreeeze system at a glance youll find at dfreeeze.com