4K Hikvision 4Ch 8MP AcuSense AoC 4 Channel DVR, 5 Signals Input Adaptively (HDTVI/AHD/CVI/CVBS/IP), 2 SATA Interfaces - iDS-7204HTHI-M2/S 

Key Feature 

• 4 channels and 2 HDD 1U AcuSense DVR
• False alarm reduction by human and vehicle target classification based on deep learning
• Efficient H.265 pro+ compression technology
• Encoding abilty up to 8 MP @ 15 fps
• 5 signals input adaptively (HDTVI/AHD/CVI/CVBS/IP)
• Up to 8 network cameras can be connected.

Compression and Recording 

• H.265 Pro+ can be enabled to improve encoding efficiency and reduce data storage costs 
• Full channel recording at up to 8 MP resolution 

Storage and Playback

• 2 SATA interfaces
• Smart search for efficient playback 

Smart Function

• Support multiple VCA (Video Content Analytics) events for both analog and smart IP cameras
• Support line crossing detection and intrusion detection of all channels, and 2-ch sudden scene change detection 

Network and Ethernet Access

• Hik-Connect & DDNS (Dynamic Domain Name System) for easy network management
• Output bandwidth limit configurable