The Kodak microSD Endurance 64GB UHS-I U3 A2 Surveillance Memory Card (Model: EKMSDM64GXCU3EN) is a high-endurance memory card specifically engineered for continuous 24/7 video monitoring. Designed to handle intense, repetitive read/write cycles, it delivers long-term durability and high-speed data transmission for recording uninterrupted 4K Ultra HD and Full HD video feeds. High Endurance 24/7 Recording: Built for up to 20,000 hours of continuous high-definition video recording. 4K Ultra HD Ready: UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings guarantee sustained write performance required for smooth 4K Ultra HD video capture without lagging. A2 App Performance Class: Optimized for mobile application performance, providing faster app loading and smoother operation when used in smart home hubs or Android-based monitoring hardware. Environmental Resistance: Built to withstand harsh conditions, including extreme temperatures, water exposure, shock, magnets, and airport X-ray machines.