How long is the warranty?

The standard warranty is 2 year. It could be longer upon request.

Do you provide any free spare parts in each order?

Yes, a certain amount of spare parts will be provided for free, spare parts including module, power cable,signal cable, LED lamp, IC, mask, power supply, receiving card, etc

High Refresh Rate 4K 3840Hz Indoor Rental LED Display Billboard Screen

Name: High Refresh Rate 4K 3840Hz Indoor Rental LED Display Billboard Screen
Brand: sz hongking stage equipment co., ltd.
SKU: 845618885

Guangdong, Chinasz hongking stage equipment co., ltd.

US$550.00-580.00

2 Square Meters

Sample price:US$22.30/piece.Request sample

Product profile

Customization

Available

Tube Chip Color

Full Color

Display Function

Video Display, Image & Text Display, Text Display, Market Display

Model NO.

Indoor P3.91 screen

Pixel Pitch

3.91mm

Pixel Configuration

1r1g1b/SMD2121 Black Lamp

Pixel Density

65536dots/M2

Scanning Mode

1/16 Scan

System Operating Platform

Windows7/8/10

Display Type

LED Video Display

Application

Stage Performance, Advertising, Shopping Guide

IP Rating

IP43

Certification

CE, RoHS, CCC

Product Name

P3.91 Indoor LED Display

Refresh Rate

1920Hz or 3840Hz

Bightness CD/Sqm

1000CD/M2

Grey Scale

65536 Degree

Life Time

More 100, 000 Hours (80%)

Mtbf

More 50, 000 Hours

Operating Temperature

-30~-60t

Humidity

10%-95%

Transport Package

The Factory Packaging

Specification

250*250mm

Trademark

hongking

Origin

Shenzhen Chine

HS Code

8528591090

Production Capacity

5000 Sqm/Year

Key features

High Refresh Rate: Supports 1920Hz or 3840Hz for smooth 4K video display.

Long Lifespan: Over 100,000 hours of operation with 80% brightness retention.

Modular Design: Adjustable screen area from 1 sqm to thousands of square meters.

Wide Viewing Angle: Greater than 160 degrees for clear visibility from any angle.

High Brightness: 1000cd/m2 brightness suitable for indoor and outdoor use.

Flexible Customization: Full customization available including size, design, and samples.

Multiple Certifications: CE, RoHS, FCC, CCC, and ISO certified for global safety standards.

Advanced Control System: Compatible with LINSN, Nova-star, and Colorlight control systems.

Company profile

Self-brandedProduct CertificationQuality AssuranceImporters and Exporters

sz hongking stage equipment co., ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2009-06-28 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.86h

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells display devices, projection equipment, and audio equipment, and also provides professional design services. Evidence indicates active R&D, including new product development, 3D design, ODM, OEM for well-known brands, and broad customization options. Quality processes include documented finished-product inspection, quality assurance, complaint handling, traceability, and a stated QC workforce of 11–20, although only one QA/QC inspector is separately reported and ongoing production quantity reconciliation is absent. Production information covers indoor and outdoor LED displays, with one production line and stated annual capacity of 30,000 and 20,000 square meters respectively. The supplier has an overseas warehouse and broad export-market coverage, but no overseas showroom, overseas agents or branches, or offline trade-show participation. Financial credibility cannot be assessed from the provided information.

Supplier typeThe supplier’s stated business scope includes manufacturing and sales of display devices, projection equipment, and audio equipment, along with professional design services. Its production information specifically identifies indoor and outdoor LED displays, indicating a manufacturer with related design and sales functions.

After-Sales capabilityR&D engineers are responsible for technical support during production and after-sales service. The supplier has documented complaint-handling procedures, service-capability assessment and corrective-action procedures, an overseas warehouse, and a stated off-season lead time within 15 workdays; however, it has no overseas agents or branches.

R&D capabilityThe supplier reports new product development during the past year, available R&D audit documentation covering design inputs, outputs, reviews, verification and validation, 3D software design services, and ODM capability. It does not have an available SDK, which limits evidence of software-development support.

Production capacityProduction information covers 30,000 square meters of indoor LED display output and 20,000 square meters of outdoor LED display output annually, with one production line and a stated QC workforce of 11–20. Finished-product inspection instructions are uniformly followed, but the factory does not continuously reconcile quantities for each batch or mass-production run.

Customization capabilityThe supplier explicitly provides 3D software design services and supports customization from samples, customer designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently across the R&D and design-service information.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a Professional OEM/ODM manufacturer which has specialized in led display industry for ten years.

Q:How does your factory do regarding quality control?

Quality is priority.Our company always attach great importance to quality controlling from the very beginning to the very end.We focus on every detail,Our factory has gained CE, ROHS ,FCC,IP65 authentication.

Q:What is your MOQ?

Any quantity is acceptable for your order. And the price is negotiable for large quantity.

Q:When will you make the delivery?

Generally, we can make the delivery within 10 working days according to the size and quantities of your order.

Q:What technical supports can you offer?

We provide all kinds of technology trainings for free, including the operation and maintenance training of the LED screens in our factory.