55 Inch High Brightness LCD Open Frame Monitor
MODEL: WD550D-M2
Technical Highlights
- Bulk order lead time: 10~15 days
- 21.5~55" packed individually in heavy-duty carton; 65" packed individually in honeycomb carton
- Custom other colors: MOQ 20pcs, lead time 15 days
certification standard
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Our engineering team is always ready to provide you with professional technical support and flexible customized services.
Understand light customization servicesTechnical Specifications
| Item | Specification |
|---|---|
| Model | WD550D-M2 (With Circuit Box) |
| Appearance | Color: Black panel & black bezel / Customizable |
| Dimension (L*W*H): 1232.8*703.8*72.3 mm | |
| Material: Sheet metal | |
| Installation | Wall-mounted, Floor-standing, Ceiling-mounted |
| Package | Package Size: 134*24*81 cm |
| Net Weight: 16kg / Gross Weight: 21KG | |
| Display | Panel: 55" TFT LED |
| Display Area / Aspect Ratio: 1209.6mm x 680.4mm / 16:9 | |
| Max Resolution: 3840*2160 | |
| Brightness: 2500cd/m², Auto linear light sensor | |
| Contrast Ratio: 1300:1 | |
| Viewing Angle (Up/Down/Left/Right): 89°/89°/89°/89° | |
| Response Time: 6ms | |
| Color: 16.7M Colors | |
| Power & Power Consumption | 100V~240V AC, ≤260W |
| Main Board & Interface | CPU: RK3568, 4-Core 1.8GHz; GPU: 4-Core Mali-T764 RAM: 2GB DDR3; Storage: 16GB (Expandable) |
| 2 x External USB, 4 x Internal USB, 1 x SD Card Slot, 1 x RJ45 1 x LVDS, 1 x HDMI2.0 (Support 4K@60Hz, Customizable) Built-in WiFi / Bluetooth, Expandable 3G / 4G | |
| Functions | OS: Android 9 / Android 11 |
| Menu Language: Chinese, English, Russian, French, Spanish and other multi-languages | |
| Video Format: RM/RMVB, MKV, TS, FLV, AVI, VOB, MOV, WMV | |
| Audio Format: MPEG-1 Layers I/II/III 2.0, MPEG-4 AAC-LC 5.1/HE-AAC 5.1/BSAC 2.0, WAV, 24-bit linear PCM 7.1 | |
| Image Format: BMP, JPEG, PNG, GIF | |
| Other Formats: PDF, PPT, SWF, Text, Real-time data stream | |
| Screen Partition: Video area, Image & text area, Scrolling subtitle, LOGO, Date, Time, Week, Weather forecast, Real-time image & video area | |
| Upgrade Mode: Update via SD card | |
| Management & Playback: Unified/group/multi-user management, Remote management, Timing power on/off Remote control: Remote power on/off, Program edit/update, Status monitoring Play mode: Loop, Timing, Insert play; B/S architecture Network: LAN, WAN, WiFi, 3G Built-in mini dual speakers | |
| Others | Lifespan: 50000 hours |
| Operating Temperature: -10℃ ~ 50℃ | |
| Storage Temperature: -20℃ ~ 60℃ | |
| Operating Humidity: 5% ~ 90% | |
| Storage Humidity: 5% ~ 90% | |
| Security: Hardware dongle, Login & control password, Multi-level user permission Environmental Standard: All components and packaging comply with international environmental standards |

55-INCH
HIGH BRIGHTNESS
OPEN FRAME
LCD MONITOR
Model: WD550D-M2 / 4K UHD / Android 11
Built for integrators who need a display that disappears into the enclosure and keeps working. The WD550D-M2 delivers 2,500 cd/m² across a 55-inch 4K panel with an auto light sensor that maintains consistent readability from a sunlit lobby to a dim server room — without manual intervention on your end.
Auto linear light sensor adjusts output in real time.
Maintains legibility in direct sunlight and under
high-ambient-light conditions without manual tuning.
DEPLOYMENT SCENARIOS
WHERE THIS MONITOR
EARNS ITS PLACE
TECHNICAL SPECIFICATIONS
EVERY NUMBER
THAT MATTERS
I/O & NETWORKING
FITS INTO
YOUR SIGNAL CHAIN
Designed for integrators who need to slot this into existing infrastructure — not rebuild it. All major interfaces are on board; 3G/4G expands by module.
ENVIRONMENTAL RATINGS
CONDITIONS IT
WORKS THROUGH
OEM / ODM & PROCUREMENT
FROM FIRST SAMPLE
TO BULK DELIVERY
Bezel color and finish (custom color MOQ 20 pcs)
Brightness tiers: 350 – 3,000 nits depending on application
Touch overlay integration (PCT or IR, configurable)
Operating system: Android 9 or Android 11
Connectivity: HDMI spec, RS-232, RS-485, or 4G module
Private label / white label branding
Custom OSD menu languages and startup screens
21.5 – 55″ units: individual heavy-duty corrugated carton
65″ units: individual honeycomb carton
Package dimensions: 134 × 24 × 81 cm per unit
Gross weight: 21 kg per unit
FOB Shenzhen; DDP quotes available on request
All components and packaging meet RoHS & CE standards
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