The Bully Dog Sensor Docking Station is a great, and easy way for you to check on the well-being of your vehicle. This accessory is custom made for the GT and Watch Dog product lines. It makes it easy to install aftermarket automotive sensors onto a vehicle and then display those sensor values on your GT or Watch Dog The Sensor Docking Station supports a multitude of different sensor types, including: Exhaust temperature sensors Pressure sensors (oil pressure or boost), Speed sensors Temperature sensors (transmission temp, air intake temp). The Sensor Docking Station with Pyrometer includes one pyrometer probe (thermocouple).