Features: The indoor temperature sensor (in the controller) is installed in the air inlet of the heater, measures the temperature of the air in the air inlet, according to the temperature, changes the operating state of the oven, and adjusts the output of the thermal power. The outdoor temperature sensor is an optional part that requires additional configuration and can be placed in any desired heating locations. Same working principle as the indoor temperature sensor. Name: Diesel Air Parking Heater Temperature Sensor Type:Two lines(Please check before buying) Length:320MM Package Contents: 1*Temperature Sensor Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.