Premier Pro microSDXC/SDHC UHS-I memory cards are designed for dash recorders and motion cameras, perfect for repeated write/overwrite tasks such as daily in-car recording. They also meet the A1 standard for quicker and smoother execution of APPs. Being V30 (Video Speed Class) qualified, they can record at a minimum speed of 30MB per second. To ensure consistent high quality, Premier Pro microSDXC/SDHC UHS-I memory cards are waterproof, shockproof, X-ray proof, and extreme temperature resistant, accompanying you on journeys even in harsh environments.