Is there a built-in camera and microphone?

Yes, the device includes a built-in camera, microphone, and 2x3W speakers for video conferencing.

What is the warranty period?

The product comes with a 1-year warranty covering mechanical defects.

Can the product be customized?

Yes, customization is available for adapters, viewing angles, brightness, contrast ratio, and resolution.

21.5 Inch Interactive Touchscreen Display for Dynamic Advertising Solutions

Name: 21.5 Inch Interactive Touchscreen Display for Dynamic Advertising Solutions
Brand: Shenzhen Optim Technology Co., Ltd.
SKU: 1977548451

Guangdong, ChinaShenzhen Optim Technology Co., Ltd.

US$178.90

1-499 Pieces

US$170.80

500+ Pieces

Sample price:US$178.90/piece.Request sample

Product profile

Customization

Available

Application

Indoor AD Player

Screen Size

20-30 Inches

Model NO.

OM-WF2138T

Installation

Wall-Mounted

Type

Touch Screen Panel AD Player

Touch Screen Type

Capacitive

Screen Technology

LCD

Interface Type

USB

Remote Control

With Remote Control

OS

Android

Customized

Adapter

12V/3A

Viewing Angle

10-Point Multi-Touch

Brightness

250CD/M2

Contrast Ratio

800:1

Aspect Ratio

250CD/M2

Resolution

1920*1080

Warranty

1year

Transport Package

Export Packaging Standard

Specification

21.5 inch

Trademark

OEM

Origin

Shenzhen China

Production Capacity

50000PCS/Month

Key features

High-Definition Display: 21.5-inch LCD panel with 1920x1080 resolution and 800:1 contrast ratio.

Multi-Touch Capability: 10-point capacitive touch screen for accurate and high-sensitivity input.

Powerful Android System: Runs on Android 11.0 with RK3568 Quad-core CPU, 2GB RAM, and 16GB ROM.

Built-in Audio & Video: Integrated 2x3W speakers, microphone, and camera for seamless video calls.

Flexible Installation: Supports wall mounting with standard 100x100mm VESA holes.

Comprehensive Connectivity: Includes USB 2.0/3.0, HDMI, RJ45, WiFi, Bluetooth, and SD slot.

Customizable Options: Offers customized adapters, viewing angles, brightness, and resolution.

Reliable Warranty: Comes with a 1-year warranty for peace of mind.

Company profile

Shenzhen Optim Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2010-05-11Nearest Port: ShenzhenAverage Response Time: ≤2.45hTerms of Payment: T/T, Small-amount payment, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF, Others

AI-Powered supplier vetting

SummaryShenzhen Optim Technology Co., Ltd. is a China-based manufacturer/factory specializing in smart-display products, including digital signage, kiosks, interactive flat panels, touch screens, and related displays. The supplier reports ISO 9001 certification, more than 14 years in the display industry, 6–10 years of R&D engineer experience, 6–10 quality-control staff, and more than 10 production lines. Stated annual capacity is 50,000 sets each for digital signage, kiosks, and interactive flat panels, with off-peak lead time within 15 workdays and peak-season fulfillment of one month. It exports to a broad range of global markets and is located near Shenzhen port. Evidence supports after-sales service, technology-focused R&D, and a substantial customer base, but does not establish customization capability. Financial credibility cannot be assessed because the provided information is insufficient and financial figures are excluded.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and operates as Shenzhen Optim Technology Co., Ltd., a limited company located in Shenzhen, Guangdong, China. This directly supports classification as a manufacturing supplier rather than only a trading or intermediary business.

CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a certified quality-management system, although the provided slices do not include the certificate number, issuing body, scope, or validity period.

After-Sales capabilityThe company states that it has a professional after-sales service team providing timely and efficient support and addressing customer concerns. Its stated focus on customer satisfaction further supports service capability, although no staffing level, response-time target, or warranty details are provided.

R&D capabilityThe supplier describes continuous investment in cutting-edge technologies, with a stated focus on improving product performance and functionality. It also reports 6–10 years of total R&D engineer experience, providing direct evidence of an established technology-development function.

Production capacityProduction capability is supported by more than 10 production lines, 6–10 quality-control staff, and stated annual output of 50,000 sets each for digital signage, kiosks, and interactive flat panels. The supplier also reports lead times within 15 workdays off-peak and one month during peak season, indicating defined fulfillment capacity for its listed products.

Client casesThe supplier states that it serves more than 500 global high-quality customers and has been a registered member of the Made-in-China international platform for more than nine years. This supports the existence of a broad customer base, but no named customers, project references, sectors, or verifiable case studies are provided.