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(2) 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 (1920x1080) and/or 4K UHD (3840x2160) video support may vary based on host device, file attributes, usage conditions and other factors)