Both models in the FLIR T400-Series also have a 3.1 megapixel digital camera. The T400-series can measure temperatures of up to +1200°C. The series features a standard 25° lens and optional 6°, 15°, 45° and 90° lenses. It enables thermal fusion, merging visual and thermal images to offer better analysis. With the picture-in-picture function, users can create an infrared overlay on the visual image. The images are scalable, moveable and resizable. The images can be processed or shared via WiFi by connecting to smartphones or tablets with the FLIR Tools mobile app.