product standard:

P2mm 
◆ Technical Specification of P2mm:
Pixel configuration：SMD1515 3 in 1
LEDs configuration:    Red: wave length: 625~630nm;700-800mcd 
Green: wave length: 525~530nm;1500-1800mcd 
Blue: wave length: 470~475nm;400-500mcd
Pixel pitch(mm): 2
Pixel density(dots/㎡): 250000
Calibrated brightness(cd/sqm,nit) : 800 nits(adjustable)
Calibrated brightness proportion ratio: R: G: B = 30%:60%:10%(adjustable)
Color temperature: 3,500° — 9,500° K(adjustable)
Contrast ratio: 4,000:1(adjustable)
Brightness adjustment(dimming): 100 grade auto/manual-adjustment
View angle (degree)(50% brightness) : Horizontal: 120° (60° off center); Vertical: 70° (+25°/-45° off center) 
Readability viewing angle: Horizontal: 150° (75° off center); Vertical: 90° (+35°/-55° off center) 
Color capability: 4.4 trillion
Refresh rate(Hz) >600 Hz (adjustable)
Frame frequency(Hz) >60 Hz
Interface port: DVI interface (DVI connector)
Input signal: VGA, Video, AVI, MOV, MPG, DAT, VOB etc.
Protection grade: IP31 front side/IP31 backside
LED Drive : Constant-current drive
Lifetime (hours)(50% brightness): 100,000 hours 

Signal transmission direction    Horizontal: 
Operating temperature (Celsius degree): -10～+40
Storage temperature (Celsius degree)    -15～+50

Operation humidity (RH)    10-75%
Operation humidity (RH)    10-75%

Servicing    Front and back serving optional
Control mode: Synchronous & asynchronous available
Communication options: Wire Ethernet, Fiber Ethernet,RF wireless,GPRS
Power: DC 5V
Maximum power consumption (W/SQM): 880
Average power consumption (W/SQM): 352
Screen operation mode (scan/static):  1 / 32
Module configuration (Pixels quantities of the module): Length 128, Height 64
Module dimensions (mm): Length 256, Height 128

Use for: Indoor or semi-outdoor