The reliable Speco D16WVNPM4TB 16 Channel 4K TVI Wallmount DVR, 4TB, w/ Power Supply, TAA, NDAA+ Monitor is a built-in S.M.A.R.T. Technology (Self-Monitoring, Analysis and Reporting Technology for HDD). 

Features: 

• 4MP max recording resolution @ 10fps
• UTC function allows for zoom/focus and OSD control over coax
• H.264/H.265 video compression
• Free U.S. - Based DDNS Server Access
• Signal distance up to 1600 feet
• Video Out: 1 HDMI, 1 VGA
• Digital Deterrent for triggering during sensor or motion detection
• 2-way audio-ready communication
• 4 channel audio recording
• Password to secure installation authorization
• Smart (Museum) Search - Quickly search for a specific video event without requiring motion setup.
• Easy firmware upgrade by USB port
• NDAA Compliant
• To add a 7€ 480x234 TFT LCD monitor to the 4 or 8 Channel-powered units, just add an M to the part number (example: D8WVNPM4TB)
• Instant and convenient backup via USB flash drive
• Supports multiple PC based browsers such as Chrome, Edge, Internet Explorer, and Firefox
• Simultaneous playback/record while continuing to network transfer or backup
• User Access: up to 12 concurrent users for live viewing, 1 user for playback
• Remote monitoring / recording / playback / configuration / software upgrades and PTZ control via internet
• Network accessible via SpecoTech Multi-Client Software, Secure Guard, Secure Guard Client, Web-Viewer and Speco Player Mobile app, Apple TV and Amazon Fire TV
• PC and MAC compatible
• IR remote control and mouse included

Dimensions: 11.8” (W) x 9.9” (H) x 2.0” (L) inches

NEW IN THE BOX