21.5 Inch LCD Backpack Billboard a Mobile Human-Powered Advertising Solution Features a High-Visibility Digital Signage Display for Dynamic Video,Demo, How It Works & Features

Name: 21.5 Inch LCD Backpack Billboard a Mobile Human-Powered Advertising Solution Features a High-Visibility Digital Signage Display for Dynamic
Uploaded: 2026-07-10T22:14:07+08:00
Description: Watch the 21.5 Inch LCD Backpack Billboard a Mobile Human-Powered Advertising Solution Features a High-Visibility Digital Signage Display for Dynamic video demo to see how it works, key features, and real-use scenarios. A helpful video guide before you buy.

2026-05-14 2480

21.5 Inch LCD Backpack Billboard a Mobile Human-Powered Advertising Solution Features a High-Visibility Digital Signage Display for Dynamic

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Product Specifications

Model NO.:

FRMPB-007

Type:

Ultra Slim Light Box

Usage:

Advertising

Material:

Aluminum

Shape:

Rectangle

Suitable for:

Outdoor

Style:

Modern

Certification:

CE, RoHS

Size:

21.5 Inch

Backlight Type:

CCFL Backlight

Resolution Ratio:

1366*768/1920*1080

Brightness:

450CD/M²

Interface:

USB Disk / HD / WiFi / 4G

USB Storage:

32g

Support Video Format:

MP4

Aspect Ratio:

16:9

Dynamic Contrast:

1200:1

Visible Area:

47.6*27cm

Viewing Angle:

160/160

Display Colors:

16.7m

Video Interface:

USB

Adapter:

12V

Power Source:

12V-20000/30000/60000mAh

Trademark:

Sinoped Optronic

Transport Package:

Honeycomb Box or Custom Required

Specification:

35*48*16cm

Origin:

China

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