The WD Purple™ 256GB microSD cards are perfect for your security surveillance cameras and are made for 24/7 usage. These microSD cards are rated UHS Speed Class 1 (U1) and Video Speed Class 10.

They are humidity resistant and can be used in a wide range of temperatures from -13°F to 185°F so they can be used just about anywhere.

Whether you need to record for hours, days or weeks, you can use this SD card for motion-triggered or continuous recording.