Ideal for dash cams and home monitoring surveillance systems Designed for high endurance and durability so you can record for up to 20,000 hours with no worries 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 with capacities up to 256GB 2-year manufacturer warranty