WD Purple SC Ultra Endurance microSD Card – 32GB, microSDHC™ Capacity: 32 GB Form Factor: microSDXC™ Interface: SDA 6.0 Operating Temperature: -25°C to 85°C Non-Operating Temperature: -40°C to 85°C Optimized for 24×7 video surveillance cameras Ultra-rugged design for continuous operation Waterproof, moisture resistant and withstands temperatures between -25°C and 85°C Local failover storage, continuous recording, even in case of temporary camera disconnection Support for card status monitoring functionality Advanced 96-layer 3D NAND technology