About capacity: 512GB=approximately 478GB-492GB 1024GB=approximately 936GB-970GB This is calculation difference between manufacturer and our PC, please Google 'Memory card capacity' to get more information. Protection: Waterproof Temperature Proof Shock Proof X-ray Radiation Proof Package Include: 1* 512GB Micro SD Card And a SD Card Adapter 1* 1024GB Micro SD Card And a SD Card Adapter Warm Tips: 1.The goods can cover the difference within 15 days.Our Store offers genuine memory card with 1 year warranty 2.Please don't use cheap card reader to test memory card, speed of memory card will be reduced by low quality card reader. 3.Memory card speed is greatly affected by card reader, adapter, USB port etc. Low quality device will slow down card speed. 4.If you have any questions or dissatisfaction with the product, please contact us directly through , we will definitely give you a satisfactory answer! Thank you for visiting!

[Apply to]Apply to Android smart-phone, tablet, action camera, camcorder, high-res photos, gaming, music, driving recorder, surveillance,computer and laptop.TF card is compatible with all Micro SD and wide application of full-size SD card if you have suitable SD adapters. [Fast Read Rate & High Capacity]The TF Card fast Read Rate for Instant Viewing & Transfer,plenty of space for thousands of snapshots and hours of full HD videos to be recorded, meaning you can stop worrying about running out of storage space. [Micro SD Card with SD Card Adapter Set]This Micro SD Card allows you to place the micro SD into the SD card, and use it in any SD card reader or SD media port on a computer, just like any normal SD card. [Durable]TF Card to deliver the best performance and stability,Micro SD Memory cards are tested to withstand extreme conditions. They are temperature resistant, waterproof, shock proof, x-ray proof, and static proof. [Stable & Never Worry about Data Loss]Micro SD Card Includes SD Adapter,Memory cards are Made from high-quality chips,offer reliable performance, making them well-suited to write-intensive applications, and ensuring evidence is clearly recorded in full HD without dropped frames.