Flir One Generation 1 Thermal Imaging Camera Add-on for the iPhone 5/5S fits onto iPhone 5/5S and provides the iPhone with capacity to take non-contact thermal spot temperature measurements, still thermal pictures, and thermal videos. The Flir One Gen 1 features advanced MSX technology for superb image quality, integrated batteries separate from the iPhone, battery that provides approximately 4 hours of continuous use, detection of temperature differences as small as 0.18°F (0.1°C), and more.