DESIGNED FOR VIDEO MONITORING: Samsung MicroSDXC PRO is specifically designed for video monitoring cameras including dash cams, surveillance & security cams, body cams, etc. ULTRA-FAST READ WRITE SPEEDS: Up to 100MB/s read and 30MB/s write speeds handles large video files quickly and seamlessly HIGHER ENDURANCE: Continuous recording up to 25x longer than speed-focused cards gives you long-lasting, best-in-class endurance up to 43,800 hours of 4K and Full HD (1080p) recording and playback BUILT TO LAST RELIABILITY: Shock proof memory card is also water proof, temperature proof, x-ray proof and magnetic proof 5-YEAR LIMITED WARRANTY: 5-year limited warranty; Warranty for SD adapter is limited to 1 year