Overview Designed to last, the SanDisk High Endurance microSD card gives you the peace of mind that your dash cam, home monitoring or security system will capture crucial footage when it happens, recording and rerecording worry-free. With capacities of up to 256GB*, you can record and save more Full HD or 4K videos.( 3) It’s built tough too—ready to record in extreme heat or freezing cold, and it’s shockproof, waterproof and x-ray proof. Features Ideal for dash cams and home monitoring systems Designed for high endurance so you can record for up to 20,000 hours with no worries (Actual hours of video saved less. Up to 20,000 hours for 256GB; 10,000 hours for 128GB; 5,000 hours for 64GB; and 2,500 hours for 32GB.) Built for and tested in harsh conditions; temperature-proof, waterproof, shockproof and x-ray-proof (Card only.) Save more videos with capacities up to 256GB (1GB = 1,000,000,000 bytes. Actual user storage less.) Record and save more Full HD or 4K videos(3) with capacities up to 256GB (Compatible device required. Full HD (1920×1080) and/or 4K UHD (3840×2160) video support may vary based on host device, file attributes, usage conditions and other factors.)