64 GB MicroSDXC Class 10 UHS-I Class 3 (U3) V30 100 MB/s Shock resistant, Temperature proof, Waterproof White SanDisk® High Endurance microSDcardWorry-free continuous recordingWorry-free recording when you need itDesigned to record for up to 20,000 hours, the SanDisk® High Endurance microSDcard 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. Its built tough tooready to record in extreme heat or freezing cold, and its shockproof, waterproof and x-ray proof. Its also rated Class 10, U3 and V30 so it has the speed you need to record in Full HD or 4K. Capacities of up to 256GB let you record and save more video, and read speeds of up to 100MB/s let you transfer that footage fast.Perfect for Your Dash Cam or Home Monitoring SystemBuilt to last, this microSD card can reliably capture video day after day so you can rest assured that youve got your eye on what matter