P20 outdoor led dotmatrix display board Wall mount 400 Hz , 128 grade Brightness Specifications  

Display and control feature	Structure feature
Specification	Parameter	Specification	Parameter
Pixel Pitch	20 mm	Module size	320 mm*160 mm
Pixel composing	2R1G1B	Display resolution	16 *8 pixel
Wavelength ®	620-630nm	Standard cabinet size	1280 mm*960 mm
Wavelength (G)	520-535nm	Weight per sqm	65 Kg/sqm
Wavelength (B)	465-475nm	Protection classification	IP65
Wave Angle (H)	110°(H)/ 60°(V)	Install mode	Wallmount, hung and stand structure
LED package	DIP546	Cabinet Material	Iron/Aluminum
Density per sqm	2500 pixel	Working power
Display color	256*256*256	Specification	Parameter
Whiteness brightness	≥6500	Working voltage	AC 220v/380v±10% 47~64Hz
Brightness level	128 grade	Max power/sqm	750W/sqm
Changing frame frequency	60 Hz	Average power/sqm	400W/sqm
Refresh	400 Hz	Short circuit protection	Yes
Driving method	Constant Static	Led Lamp type	Red:Opto Blue:Silan Green:Silan
Control mode	synchronous	Working environment
Display port	DVI	Specification	Parameter
Display mode	1024*768 /1024*1024	Environment	Outdoor
Out of control	1/10,000 ( scattered)	Working temperature	-20~60°C
lifetime	100,000 hours	Working Humidity	10~90%

Warranty:

1.We guarantee all our display, modules, spare parts (Silan Chip) for TWO years.

2.We provide technology training for free, which contains the operation and maintenance training of the LED screens in the factory.

3.After warranty , we also can offer you the parts for replacement at our bottom price.

4.After sales, if you have any problem about our product, you can inform us by Email, we will reply you at once when we get it and offer you a good solution to solve the problem.

5.We also could solve problems for you until it recovers well by remote control!