5x7 led dot matrix 1,Dot size : 5.0mm 2,Surface color :black or gray 3,OEM & ODM 4, 3 Years Warranty

LED 5X7 dot matrix with green color  : 

1,Dot size : 3.0mm ,5.0mm , 10.0mm 

2, Surface color : black or gray ,

3,Lens color : water clear or diffused 

4,OEM & ODM are available ,sales directly by facoty with low cost but best quality 

5,Passed CE,ROHS,SGS,ISO9001-2008 certification with 3 years warranty 

Internal circuits diagram : 

 Production line : 

Certification : 

5x7 dot led matrix with green color