P3.91 Indoor Full Color LED Screen

Product Type: P3.91
Cabinet Material: Die-casting Aluminium
Brightness Adjustment: Manual/Auto/Programmable
Features: Light Weight, Dot-by-dot Calibration
Applications: Stage Performance, Indoor Advertising, Sports Halls…



Dimension: 500*500*88mm 19.7"x19.7"x3.5"

Cabinet front

Cabinet front

Backside view

Backside view

With excellent thermal performance and noiseless design, P3.91 Indoor Full Color LED Screen can present a quiet working environment.

It is easy to operate while in use. The entire screen loading and unloading can be fixed & connected by fast bolts. Moreover, by using die-casting aluminum module, the box tolerance can be controlled within 0.1mm. For other applications such as the color and height of central processor, recorded data can synchronize any replacement modules to keep the same color and brightness.


  • Better Preformance: It utilizes full black color LED chips to reach perfect visual effects;
  • Easy Assemby: It is of light weight for hanging fixed installation;
  • Intelligence: Automaticly detect the working state of power supply;
  • Stable Quality: With die-casting aluminum structure, the screen is stable enough for frequent shipment during rental cases use.

Our Advantages:

  • Intelligent module
  • Stacking & hanging installation
  • Unique design of stainless lock
  • High definition display
  • Longer life span
  • Cabinet design according to customer requirements

If you've got any specific requirement, just tell us the size, shape, color of the LED and your favorite installation method, etc. We can help address your project challenges with our expertise. Moreover, the cooperation details can be negotiated by both sides.

Item Parameter
Pixel Pitch 3.91mm 0.15"
Pixel Density 65536 pixel/m²  42 pixel/in²
Pixel Configuration 1R1G1B R: 620-630nm, G: 515-525nm, B: 465-475nm
Panel Dimension (WxHxD) 500mmx500mmx88mm 19.7"x19.7"x3.5"
Panel Resolution 128 x 128 pixel, 96 x 96 pixel, 160 x 160 pixel, 192 x 192 pixel, 64 x 64 pixel
Brightness >=1200nits
Panel Weight 7.8kg 17.2lb
Color Temperature 6500-9500k
Grey Scale 14-16bit
Refresh Rate >=1000Hz
Cabinet Material Die Casting Aluminum  
View Angle H:160°, V:140°  
Best Viewing Distance >4m
Operating Temperature  -20°C ~ +50°C
Operating Humidity 10% ~ 90%
Max Power Consumption <=650W/m²
Average Power Consumption <=325W/m²
Max. Stacking 12pcs
Max Hanging 12pcs
Lifespan 100,000hrs
IP Rating IP31
Voltage AC110V ~ 240V 50/60Hz
Transmission Distance UTP: 100m; Single-mode fiber: 10km
Brightness Adjustment Manual/Auto/Programmable
Controller Card (Sending Card) Yes, included, wired or wireless (USB, WiFi, TCP/IP)
Supporting OS Windows 7, 10 32/64bit
Product Items P2.84 P4.81
Pixel Pitch 2.84 4.81
Pixel Density (pixel/m²) 123904 43264
LED Encapsulation SMD2020 SMD2727
Scanning Mode 1/22 1/13
Horizontal Viewing Angle 160° 160°
Vertical Viewing Angle 160° 160°
Brightness (cd/m²) 800 1200
Gray Scale (bit) 13/16 13/16
Refresh Rate (Hz) 1920/3840 1920/3840
Max Power Consumption ( W/m²) 465 580
Average Power Consumption ( W/m²) 133 166
Module Size (mm) 250*250 250*250
Cabinet Dimension ( mm) 500*500*88 500*500*88
Cabinet Weight 7.8 7.8
Cabinet Resolution ( dot x dot) 176*176 104*104
Cabinet Material Die-casting Aluminium Die-casting Aluminium
Input Voltage (AC) 100V-240V 100V-240V
Maintenance Method Front/Rear Front/Rear
IP Rating (front/rear) IP31 IP31
Environment Indoor Indoor