| Specifications | 
| Recording |  
| Video compression | H.265 Pro+/H.265 Pro/H.265/H.264+/H.264 |  
|   Encoding resolution | When 1080p lite mode is not enabled: 4  MP lite/3 MP/1080p/720p/VGA/WD1/4CIF/CIF When 1080p Lite mode is enabled: 5  MP lite/4 MP lite/3 MP/1080p lite/720p lite/VGA/WD1/4CIF/CIF |  
|   Frame rate | Main stream: When 1080p Lite mode not enabled: For 4 MP stream access: 4  MP lite@15fps; 1080p lite/720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N) For 3 MP stream access: 3 MP/1080p/720p/VGA/WD1/4CIF/CIF@15fps For 1080p stream access: 1080p/720p@15fps; VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) For 720p stream access: 720p/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) When 1080p Lite mode enabled: 5  MP lite/4 MP lite/3 MP@15fps; 1080p lite/720p lite/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) |  
| Sub-stream: WD1/4CIF@12fps; CIF@25fps (P)/30fps (N) |  
| Video bit rate | 32 Kbps to 6 Mbps |  
| Dual stream | Support |  
| Stream type | Video, Video & Audio |  
| Audio compression | G.711u |  
| Audio bit rate | 64 Kbps |  
| Video and Audio |  
|   IP video input | 4-ch (up to 12-ch) | 8-ch (up to 24-ch) |  
| Up to 6 MP resolution |  
| Support H.265+/H.265/H.264+/H.264 IP cameras |  
|   Analog video input | 8-ch | 16-ch |  
| BNC interface (1.0 Vp-p, 75 Ω), supporting coaxitron connection |  
|   HDTVI input | 4 MP, 3 MP, 1080p30, 1080p25, 720p60, 720p50, 720p30, 720p25 *: The 3 MP signal input is only available for channel 1/2 of LTD8308K-ET, and for channel 1/2/3/4 of LTD8316K-ET. |  
| AHD input | 4 MP, 1080p25, 1080p30, 720p25, 720p30 |  
| HDCVI input | 4 MP, 1080p25, 1080p30, 720p25, 720p30 |  
| CVBS input | PAL/NTSC |  
|   CVBS output | 1-ch, BNC (1.0 Vp-p, 75 Ω), resolution: PAL: 704 × 576, NTSC: 704 × 480 |  
|   VGA output | 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz |  
| HDMI output | 1-ch, 1920 × 1080 / 60 Hz, 1280 ×1024 / 60 Hz,
 1280 × 720 / 60 Hz,
 1024 × 768 / 60 Hz
 | 1-ch, 4K (3840 × 2160)/30Hz, 2K (2560 × 1440) / 60 Hz,
 1920 × 1080 / 60 Hz,
 1280 × 1024 / 60 Hz,
 1280 × 720 / 60 Hz,
 1024 × 768 / 60 Hz
 |  
| Audio input | 1-ch, RCA (2.0 Vp-p, 1 KΩ) |  
| Audio output | 1-ch, RCA (Linear, 1 KΩ) |  
| Two-way audio | 1-ch, RCA (2.0 Vp-p, 1 KΩ) (using the first audio input) |  
| Synchronous playback | 8-ch | 16-ch |  
| Network |  
| Remote connection | 64 | 128 |  
| Network protocol | TCP/IP, PPPoE, DHCP, LTS-Connect, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP™, HTTPS, ONVIF |  
| Network interface | 1 x RJ45 10M/100M self-adaptive Ethernet interface | 1 x RJ45 10/100/1000 Mbps self-adaptive Ethernet interface |  
| Auxiliary interface |  
| SATA | 2 x SATA interfaces |  
| Capacity | Up to 10 TB capacity for each disk |  
| Serial interface | RS-485 (half-duplex) |  
| USB interface | 2 × USB 2.0 | Front panel: 1 × USB 2.0 Rear panel: 1 × USB 3.0 |  
| Alarm in/out | N/A |  
| General |  
| Power supply | 12 V DC |  
| Consumption (without HDD)
 | ≤ 7.5 W | ≤ 25 W |  
| Operating Temperature | 14° to 131° F  (-10° to 55° C) |  
| Operating Humidity | 10% to 90% |  
| Dimensions (W × D × H) | 15.0 × 12.6 × 1.9 in.  (380 × 320 × 48 mm) |  
| Weight (without HDD) | ≤ 3.9 lb  (1.78 kg) | ≤ 4.4 lb  (2 kg) |    |