To achieve superior video recording in 4K quality with your X-Sight 5, it is essential to utilize a Class 10 V30 or faster micro SD card. With a minimum transfer rate of 30 mb/s, these high-performance cards guarantee smooth and uninterrupted filming. Avoid any potential performance issues by opting for a micro SD card that meets or exceeds the Class 10 V30 standard. Capture every detail flawlessly with the perfect accessory for your X-Sight 5.