Android 12.1-inch Indoor Transparent LCD Digital Shelf Edge Display | Ultra-Thin Advertising Stretch Bar Screen

Product Dimensions: 12.1″, 28.6″, 42.0″, 44.9″, 56.6″, 58.4″
Resolution: 1920×860, 1920×540, 1920×480, 1280×1280, 3840×430, 3840×1080 (depending on size)
Panel Type: Transparent TFT LCD
Brightness: 700 cd/m² (12.1″) with configurable options for larger sizes
Viewing Angle: 178° (Horizontal & Vertical)
Contrast Ratio: 2000:1 / 4000:1 (varies by model)
Touch Functionality: Optional Capacitive Touch
Operating System: Android 11 (RK3568 mainboard)
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How this model compares within the 28–46" class

Model	Size	Resolution	Brightness	Touch	IP rating
STD281-X	28.1	—	—	—	—
STD296-X	29.6	—	—	—	—
STD30A3T	30inches	—	—	—	—
STD351-X	35.1	—	—	—	—
STD376-X	37.6	—	—	—	—
STD439-X	43.9	—	—	—	—

Comparison covers published models in the same size class (28–46"). Where a cell shows “—”, that model does not publish the value.

Quick answer

Android 12.1-inch Indoor Transparent LCD Digital Shelf Edge Display | Ultra-Thin Advertising Stretch Bar Screen — the published specification for this product is: Product Dimensions: 12.1", 28.6", 42.0", 44.9", 56.6", 58.4"; Resolution: 1920×860, 1920×540, 1920×480, 1280×1280, 3840×430, 3840×1080 (depending on size); Panel Type: Transparent TFT LCD; Brightness: 700 cd/m² (12.1") with configurable options for larger sizes; Viewing Angle: 178° (Horizontal & Vertical); Contrast Ratio: 2000:1 / 4000:1 (varies by model); Touch Functionality: Optional Capacitive Touch; Operating System: Android 11 (RK3568 mainboard). Buyers should confirm the exact configuration (size, brightness, interface and mounting) against the installation environment before ordering.

Published specification at a glance

Product Dimensions	Resolution	Panel Type	Brightness	Viewing Angle	Contrast Ratio
12.1", 28.6", 42.0", 44.9", 56.6", 58.4"	1920×860, 1920×540, 1920×480, 1280×1280, 3840×430, 3840×1080 (depending on size)	Transparent TFT LCD	700 cd/m² (12.1") with configurable options for larger sizes	178° (Horizontal & Vertical)	2000:1 / 4000:1 (varies by model)

Values above are taken from this product page.

What to verify before ordering

Confirm the exact model number and request its specification sheet.
Check the protection rating (IP) against the installation environment.
Confirm mounting method and enclosure compatibility.
Confirm the required interfaces and cable routing.
Confirm operating temperature range for the target market.
Confirm brightness (nits) against ambient light at the site.
Ask for sample, tooling and mass-production lead times.
Ask which certifications are available for the destination country.

Available models in this series

This product page covers one product type. The series is available in the following sizes and configurations (published specifications):

Model	Size	Resolution	Brightness	Touch	IP rating
STD121TPCOBOD	12 inch	1280 x 800	1000 Nits	Capacitive Touch (Optical Bonding)	—

Android Indoor LCD Transparent Display Digital Shelf Edge Ultra Thin Advertising Touch Screen LCD Stretch Bar Display

FEATURES:

Wall mounted series is commercial grade LCD screen technology with Android OS or Windows OS. They can be used in a wide public environments,including retail, restaurants (as Digital Menu Boards), hotels,schools, hospitals, corporate.

• Transparent TFT LCD with wide 178° viewing angle

• Ultra-slim stretch bar design for shelf-edge installations

• Android OS (supporting apps, playlist scheduling, and WiFi updates)

• Optional capacitive touch for interactive promotions

• Multiple sizes available to match various shelf widths

• 50,000-hour lifespan for reliable 24/7 retail operation

| Feature | Specification |

|---------------------|---------------------------------------------------------|

| Display Sizes | 12.1", 28.6", 42.0", 44.9", 56.6", 58.4" |

| Resolution | 1920×860, 1920×540, 1920×480, 1280×1280, 3840×430, 3840×1080 (by size) |

| Panel Type | Transparent TFT LCD |

| Brightness | 700 cd/m² (12.1") configurable for larger sizes |

| Viewing Angle | 178° (H) / 178° (V) |

| Contrast Ratio | 2000:1 / 4000:1 (model dependent) |

| Touch | Optional capacitive touch |

| Operating System | Android 11 (RK3568 mainboard) |

| Connectivity | USB, WiFi (built-in), TF card; optional 4G/GPS |

| Power Supply | AC 110–240V |

| Response Time | 6–8 ms |

| Lifespan | 50,000 hours |

| Operating Temp. | 0°C to 50°C |

| Mounting | Shelf edge / wall mount |

| Warranty | 1–3 years |

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Frequently asked questions — Android 12.1-inch Indoor Transparent LCD Digital Shelf Edge Display | Ultra-Thin Advertisi

1. What is this product?

Android 12.1-inch transparent LCD shelf edge display with ultra-thin stretch bar design, WiFi content updates, optional touch, and multiple sizes for retail signage.

2. What are the key specifications?

Per the published specification sheet: resolution 1920×860, 1920×540, 1920×480, 1280×1280, 3840×430, 3840×1080 (depending on size); brightness 700 cd/m² (12.1") with configurable options for larger sizes.

3. Is it readable in bright ambient light?

The published brightness for this model is 700 cd/m² (12.1") with configurable options for larger sizes. Higher brightness improves outdoor readability, and where needed we combine it with optical bonding so the panel stays legible under strong ambient light; tell us the installation site and we will confirm the suitable configuration.

4. What touch, platform and interface options are available?

For this model the published data lists touch: Optional Capacitive Touch; platform/system: Android 11 (RK3568 mainboard). Further I/O or platform options can be configured for volume projects.

5. Can this display be customized for our project?

Yes. We work as an OEM/ODM display partner: the panel size, front glass, touch type, brightness, interfaces, mounting frame and connector positions can be adapted to your mechanical design, and we can integrate camera modules or extra functions into the same assembly. Send us your drawing or sample requirement and we will confirm feasibility.

6. What is the lead time, warranty and certification situation?

Samples are normally about 7 days and mass production about 20-30 days after deposit and final approval. Standard warranty is one year and extended warranty is available on request. We ship to Germany, the United States, Japan, India and Korea and provide the certification documents required by the target market (for example CE, FCC, PSE/TELEC, BIS, KC and RoHS). Certificates are model-specific, so tell us your market and model and we will confirm the applicable documents.

7. How do you keep supply stable for a product we integrate into our own equipment?

For OEM integration we keep the configuration fixed for your product, record the approved golden sample and control batch-to-batch consistency. If a panel, touch panel or driver board reaches end of life we inform you in advance and propose a drop-in replacement so production is not interrupted. Spare-parts and replacement-unit options are available.