What display specifications does this screen have?

It features a 21.5-inch BOE panel with 1920x1080 resolution, 4000:1 contrast ratio, 350cd/m2 brightness, and 178-degree viewing angles.

Can the screen support split-screen playback?

Yes, it supports horizontal, vertical, full-screen, and split-screen playback with no limit on the number of split-screens.

What operating systems are supported?

The device supports Android and Windows operating systems, with options for different CPU, RAM, and storage configurations.

18.5-21.5 Inch Elevator LCD Advertising Screens for Businesses

Name: 18.5-21.5 Inch Elevator LCD Advertising Screens for Businesses
Brand: Shenzhen Letine Technology Co., Ltd.
SKU: 2169236185

Guangdong, ChinaShenzhen Letine Technology Co., Ltd.

US$196.00

1-99 Pieces

US$168.00

100+ Pieces

Sample price:US$429.00/piece.Request sample

Product profile

Customization

Available

Application

Indoor AD Player

Screen Size

21.5/15.6 Inch

Installation

Wall Mounted

Type

Standalone Version AD Player

Touch Screen Type

Capacitive Tp & Infrared Tp Optional

Screen Technology

LED

Interface Type

Optional

Remote Control

Optional

OS

Windows/Andorid Optional

Customized

CPU

Rockchip 3568 (Optional)

RAM

2GB (4GB Optional)

Memory

16GB (32GB Optional)

Operation System

Android 10 and Above (Upgrade Supported)

Contrast Ratio

1400:1(Optional)

Resolution

1920*1080/3840*2160(Optional)

Brightness

350CD/M2

HD-Mi

Support

Internet

RJ45, WiFi (4G Optional)

Customize

Support OEM / ODM for Software & Hardware Customiz

Other Screen Size Support

Optional

Power Supply Voltage

12V DC-in

Transport Package

1 Advertising Player for 1 Safety Wooden Carton.

Trademark

Letine/OEM/ODM

Origin

China

Production Capacity

5000 PCS/Month

Key features

OEM/ODM Customization: Full customization support for software, hardware, and mechanical design.

High Contrast Display: Features a 4000:1 contrast ratio and 16.7M colors for vivid image quality.

Flexible Split-Screen: Supports horizontal, vertical, full-screen, and unlimited split-screen playback.

Low MOQ for Testing: Factory direct supply with a minimum order quantity of just 1 piece.

Lifetime Software Support: Free backend operation software and server updates for the product's life.

Strict Quality Control: 100% inspection and 72-hour aging test before shipment.

Multiple Interface Options: Supports WiFi, RJ45, USB 2.0, and optional 4G connectivity.

Certified Standards: Complies with CE, FCC, and RoHS standards for global market access.

Company profile

Low MOQCustomization from SamplesODM ServicesOEM Services

Shenzhen Letine Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 years CertifiedNearest Port: Shenzhen Yantian PortAverage Response Time: ≤4.93h

AI-Powered supplier vetting

SummaryShenzhen Letine Technology Co., Ltd. is a China-based limited company established in 2006, with 78 employees and business activities covering computer hardware, software, peripherals, digital products, artificial intelligence hardware/software, wearable devices, and import/export. The supplier reports strong customization options, OEM service for popular brands, SDK availability, inventory capability, quality assurance, documented complaint and corrective-action procedures, and 19 years of export experience. It also states that 90% of sales are exports and that it has participated in the 2025 ISE-Spain trade show. However, no valid manufacturing-capacity contract exists with its factory or related subcontractors, and it lacks overseas warehouses, showrooms, agents, or branches. The supplied information does not provide verifiable certifications, detailed customer cases, or sufficient financial-performance evidence.

Supplier typeThe supplier is identified as a combined company and a limited company, Shenzhen Letine Technology Co., Ltd., operating from Guangdong, China. Its stated scope includes computer hardware, software, peripherals, digital products, AI-related products, wearable devices, and import/export activities, indicating a technology supplier with both trading and manufacturing-related activities.

After-Sales capabilityThe supplier states that it has fast and professional after-sales capabilities, with a sales team available online 24 hours. It also reports clear procedures and followed records for handling customer complaints and corrective and preventive actions, providing explicit evidence of an established service process.

R&D capabilityThe supplier reports R&D capability with an available SDK and business activities involving AI application software development, AI hardware sales, wearable smart-device manufacturing, and sales. These details support relevant technical and product-development capability, although no specific patents, R&D team size, or developed products are provided.

Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, including customization from customer designs and samples. This directly indicates broad customization options across different starting inputs and project scopes.