This TF red card is specially designed for IoT applications in hash environments. It is highly durable, supports a wide temperature range of -25°C to 85°C and health monitoring, and meets the needs of all-day monitoring and storage.Description: 64G TF red cardCapacity: 64GBStorage media: MLC/TLCSpeed class: C10/U3/V30/A1Max read speed: 95MB/sMax write speed: 70MB/sFile system: exFATOperating temperature: -25°C to 85°CStorage temperature: -40°C to 85°CDimensions: 11mmx15mmx1mm (0.43” x0.59” x0.04”)Weight: Max 0.33g