This thermal imaging camera is a rugged, high-quality tool with advanced features. I have owned other thermal cameras and have been disappointed. This one won't disappoint. It is well built, the materials feel rugged, and of good quality ABS plastic and rubber. The IR thermal imager is high resolution, coupled with a quality screen. It offers fast processing speed and reacts instantly to environmental changes. The menu has many options, including changing the color palette and recording video and thermal information. It can display and record IR light, visible light, and fusion, where you record the thermal visuals blended on the video. This works better with minimal motion, given that the two sensors, IR and visible CCD, have different processing times. It offers a light for better video capture and to inspect dark areas.The processor automatically detects the maximum and minimum temperatures on the screen and tracks them for you. You can select two different temperature scales for better sensitivity. You can use it in Farenhide or Celsius. You can change measurement parameters like distance, temperature, and emissivity, to more accurately measure temperature on different surfaces. This device is an excellent tool for HVAC work or any other electro-mechanism.