Permanent storage, Kunlun Tongtai screen inside the alarm data is saved in the form of a file in flash storage (and U disk storage), will not be lost because of power. So it's permanently stored.
Of course, it does not include the memory chip is broken, resulting in data loss.
TPC7062KS Kunlun On-state touch screen is a high-performance embedded integrated touch screen. The product design uses a 7-inch high-brightness TFT LCD display (resolution 800×480) and a four-wire resistive touch screen (resolution 1024×1024).