15 Best Outdoor Security Cameras (2025): Battery-Powered, LTE, No Subscription

Best MicroSD Cards Photograph: Amazon Some security cameras support local storage, enabling you to record videos on the camera or a linked hub. A few hubs have built-in storage, and some provide slots for hard drives, but most rely on microSD cards. This is a quick guide on what to look for (plus some recommendations). The microSD card you choose should have fast read and write speeds so you can record high-quality video and play it back without delay. I recommend going for Class 10 microSD cards rated as U1 or U3. You can dive deeper into what that means in our SD card explainer. Before you buy, check the card type, format, and maximum supported card size for your security camera. Consider how many hours of video each card capacity can store. For example, you might get a couple of days of HD video on a 32-GB card. If you want to record continuously, you likely want a higher-capacity card. I recommend formatting the card as soon as you insert it into the camera. You will usually be ... Read full article.