Dahua 16 channel DVR (DH-XVR4116HS) 

• DH-XVR4116HS smart fan can automatically turn on or turn off according to the CPU temperature. 
• SMD Plus, referred to as Smart Motion Detection Plus, which is an upgrading version of SMD that greatly improves the alarm accuracy by loading deep-learning algorithm.
• Compared with H.265, AI codec can reduce up to 50% bit rate and storage requirements while have no loss of decoding compatibility, providing clear human and vehicle details.
• The Dahua DH-XVR4116HS can auto recognize the signal of front-camera without any setting. It makes operation more friendly and convenient.
• The HDCVI system supports long distance transmission over coaxial cable and UTP, max. 700 m for 4K/4MP, 800 m for 1080p and 1200 m for 720p