Ships from
Promallshop HQ
Package at
Promallshop HQ



Product Description
Experience high-definition vertical signage with the Dahua LDV55-SAI400TK. Built on an industrial-grade metal chassis with an A-level IPS LCD panel and LED backlight, this 55-inch display delivers striking visuals in portrait mode. It runs on Android 8.1 with a quad-core CPU and has enough processing power to decode 4K content smoothly. Whether you need split-screen layouts, scheduled content play, or remote updates through a unified platform, this signage has it all. With built-in speakers, network connectivity including LAN/USB, and optional touch and WiFi, it’s versatile for malls, lobbies, storefronts, exhibitions, and more. The design supports dependable performance over hours of continuous operation.
Specifications
-
Screen: 55-inch LCD (IPS) panel
-
Resolution: 2160 × 3840 (4K, portrait / vertical orientation)
-
Aspect Ratio: 9:16
-
Display Colors: 1.07B (10-bit color)
-
Brightness: ~320 nits (typical)
-
Contrast Ratio: ~1200:1
-
Viewing Angle: 178° horizontal / 178° vertical
-
Response Time: ≈8 ms
-
Lifespan: ~30,000 hours
-
Inputs & Ports: RJ-45×1, USB×2, TF slot×1, HDMI×1, Audio IN×1
-
External Control: LAN (RJ-45), USB
-
Optional WiFi support
-
Audio: 2 × 5W built-in speakers
-
Touch: Capacitive touch (if option enabled)
-
Operating System: Android 8.1
-
CPU: Quad-core (Cortex A17) up to ~1.6 GHz
-
Memory: 2 GB RAM, 16 GB internal storage
-
Power: AC 100-240V, 50/60 Hz
-
Power Consumption: ≤150W; Standby <0.5W
-
Operating Temperature: 0 °C to +40 °C
-
Operating Humidity: 10%–85% non-condensing
-
Dimensions: ~1900 mm × 745 mm × 25.5 mm
-
Weight: ~50 kg (net), ~55 kg (gross)
Frequently Asked Questions
Yes, with ~320 nits brightness and wide 178° viewing angles, it remains visible in typical indoor lighting. For outdoor or high brightness needs, the outdoor model variant LDV55-EAO400L offers ~2500 cd/m² brightness.
The SAI model (LDV55-SAI400TK) is rated for up to 16 hours/day.
Yes, it decodes 4K content with a quad-core CPU and supports 1-channel H.265 4K @ 60fps, among other decoding modes.
Yes, it supports remote management via Dahua’s Media Publish System, B/S architecture, schedule by time & location, and unified platform control.
It supports HDMI, USB, network (LAN), and TF card; formats include MP4, MOV, AVI, and WMV for video; MP3, WAV, etc., for audio; JPG, PNG, etc., for images; plus documents (PPT, PDF, Excel, etc.).