When upgrading NVR from v3.4.x to v4.x, please be sure NVR firmware is at v3.4.92 170518 firmware and perform system factory default before proceed upgrading NVR to v4.x.
Failures have NVR at v3.4.92 and perform system factory default prior to upgrading NVR to v4.x could render NVR inoperable.
Main Features
Up to 16 channel IP cameras can be connected
Up to 2-ch@12 MP/16-ch@1080p decoding capacity
1 HDMI and 1 VGA interfaces: both interfaces support independent video output
2 HDDs for continuous video recording
Plug & Play with 16 Power-over-Ethernet (PoE) interfaces
Advanced streaming technology enables smooth live view and data self-correction in poor network conditions
NOTE: Product currently out of stock which will delay delivery by 2 to 3 weeks
