Designed to record for up to 20,000 hours1, 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 re-recording worry-free. It’s built tough too—ready to record in extreme heat or freezing cold, and it’s shockproof, waterproof and x-ray proof.2 It’s also rated Class 10, U3 and V304 so it has the speed you need to record in Full HD or 4K.3 Capacities of up to 256GB* let you record and save more video, and read speeds of up to 100MB/s5 let you transfer that footage fast