FLIR ONE Thermal Imager for iOS Lightweight accessory that transforms your iOS device into a powerful thermal infrared camera FLIR ONE displays live thermal infrared imagery using the FLIR ONE iPhone app so you can see the world from a thermal perspective FLIR ONE allows you to measure temperature variances Capture and share thermal images and videos. Exclusive MSX Technology blends thermal and visible spectrum for more detail and enhanced resolution Scene temperature range: -4F to 248F (-20 to 120C) , Operating temperature: 32F to 95F (0C to 35C).