The Dahua DHI-LDV55-SAI400TL Indoor Digital Totem is a professional digital signage device, featuring a simple and elegant design and an industrial-grade LCD panel, intended for indoor use. It provides high-quality display performance, a wide viewing angle, and stable operation for various scenarios such as shopping centers, hotels, institutions, companies, supermarkets, or other public areas.

The device supports playback and publishing of multimedia content, including images, video clips, Office files, PDFs, web pages, media streams, and scrolling subtitles. It can operate either with local content loading via USB or through publishing from the management platform (MPS) when connected to the network.

The model includes features such as split screen, playback plans (general, cut-in, temporary), flexible content scheduling, plug-ins (weather, time, countdown), and remote management (power on/off, restart, screen rotation, brightness and volume adjustment).
The TL version is equipped with a 10-point capacitive touchscreen, suitable for interactive applications.

LCD Panel
Diagonal: 55 inch
Backlight: ELED
LCD Technology: IPS/VA
Aspect Ratio: 9:16
Brightness: 320 cd/m² (typical)
Colors: 10-bit (8 bit + FRC), 1.07B
Resolution: 2160 (H) × 3840 (V)
Viewing Angle: 178° (H) / 178° (V)
Response Time: 8 ms
Surface Treatment: Haze 1%

Integrated System
Operating System: Android 11.0
CPU: 4-core A55, 1.92 GHz
RAM: 4 GB
ROM: 32 GB

Video Decoding
H.265 HEVC MP-10@L5.1 up to 2160p@60 fps
H.264 AVC HP@L5.1 up to 2160p@30 fps
VP9 Profile 2 up to 2160p@60 fps
H.264 MVC up to 1080p@30 fps
MPEG-4 ASP@L5 up to 1080p@30 fps
WMV/VC-1 SP/MP/AP up to 1080p@30 fps

Functions
Audio: MPEG-3, WMA, WAV
Video: MPEG-4, H.264 AVC/MVC, H.265 HEVC
Video formats: mp4, avi, mov, mkv, wmv
Multiple playback and publishing modes
Split screen
Scrolling subtitles
Playback plans: general, cut-in, temporary
Remote management through platform
Data encryption, permission levels, terminal password protection

Ports
Network: 1 × RJ-45 10/100/1000 Mbps
Wi-Fi: optional (external module)
USB: 1 × USB 2.0, 1 × USB 3.0
TF card slot: up to 128 GB
Video input: 1 × HDMI 2.1 (3840 × 2160@60 Hz)
Audio: 1 × 3.5 mm output jack
IR Receiver: Yes

Speakers
2 × 5 W built-in speakers

Touchscreen
Technology: Capacitive
Response Time: ≤ 8 ms
Touch Points: 10

General
Power Supply: 100–240 VAC, 50/60 Hz
Power Consumption: 80 W (typical), 90 W (max)
Standby Power: ≤ 0.5 W
Operating Temperature: 0 °C – +40 °C
Storage Temperature: –20 °C – +60 °C
Operating Humidity: 10%–85% RH
Material: Metal casing
Color: Black
Installation: Vertical
Display Mode: Portrait

Dimensions
Without bracket: 1850 × 743.6 × 92.3 mm
With bracket: 1900 × 750 × 460 mm
Net Weight: 66 kg
Gross Weight: 73 kg
Packaging Size: 2020 × 200 × 915 mm

Accessories
Bracket
User manual
Power cable
Energy label
Remote control
Legal documentation

Certifications
CE EMC
CE LVD
CE ERP