Dahua Technology DHI-TF-P100/128 GB. Capacity: 128 GB, Flash memory type: MicroSDXC, Flash memory class: Class 10, Internal memory type: UHS-I, Read speed: 100 MB/s, Write speed: 60 MB/s, UHS speed class: Class 3 (U3), Video speed class: V30. Security features: Magnetic field proof, Temperature proof, Water resistant, X-ray proof, Product colour: Grey, White