GOYOJO Thermography Thermal Camera Purchased on Amazon. See the details at https://amzn.asia/d/bgHMlqT This product was used only once for an experiment. Transforms your smartphone into a high-performance thermal camera! Compatible with Android and iOS (iOS 14.0 or later / Android 7.0 or later). USB-C and Lightning connection, no battery required, and ready to use with the THG Start app!