, Shot speeds up to 90MB/s, transfer speeds up to 170MB/s , Perfect for shooting 4K UHD video and sequential burst mode photography. Operating Temperature: -25°C ~ 85°C , Capture uninterrupted video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) , Built for and tested in harsh conditions: temperature-proof, waterproof, shock-proof, and x-ray-proof ,