The Macau Sands casino surveillance system is a fully digital IP video solution, the system uses German Dallmeier encoder / decoder to establishing a system with 1,200 encoders, 64 decoders, and distributes to 12 controls stations. It uses joy stick control keyboard for operation. The video recording uses local double hard disk, 24 hours real-time recording, it totally reserves 320TB. Currently, it is the world largest video storage capacity. Consequently, the recording contents can be playback frame by frame in backward. The system performs video digital compression; transmit through network, switching, recording, and playback. The video quality is fully DVD effect.