NVR 4 canale Hikvision AE-MN5043 4-ch connected via PoE interfaces and 4-ch extendable via PoE switch,Two-way Audio 1, integrated in EXT.DEV interface, Main output: 1, integrated in EXT.DEV interface, Storage:HDD/SSD - 2 × 2.5 inch HDD/SSD, up to 2 TB for each HDD/SSD HDD/SSD data can be exported locally via this converter (optional) (A dummy HDD with 2 HDD/SSDs can be extended;Not for baseline. Note the SD card capacity when ordering), 1 × SD card, up to 256 GB（not for baseline. Note the SD card capacity when ordering）, 1 × 4G card slot, 1 ×FAKRA antenna, 5G module, WI58 model: 2 × 5.8 G Wi-Fi SMA antenna (Optional. 802.11B/G/N and 802.11AC are selectable. 1 antenna is needed for 802.11B/G/N module. 2 antennas are needed for 802.11AC module.) Serial Port 1 × RS-232(harness is optional), 1 × RS-422 (integrated in EXT.DEV interface), Dimension 206 × 225.4 × 60.1 mm, Weight :1.66kg