The AMPIRE WFS300-BT is a unique immobilizer that uses the latest technology to secure your vehicle. To make security even easier we have added this special application for your iPhone that allows you to just get in the car and drive. No need to use your immobilizer PIN code to disarm the AMPIRE WFS300-BT. Just enable this phone-tag and as soon as your iPhone is near your car you will be able to drive, even if your iPhone is in sleep mode in your pocket. All communication is encrypted and secure.