... .thicknese:FR4 1.6MM 2.Colour:green 3.layer:2 4.Finished:HASL tablet pcb : ITEMS:SPECIFICATIONLAYER:2 -10layerBOARD MATERIAL:FR-4, CEM-1 ... ,CEM-3, High TG, FR4 Halogen Free,FR-1,FR-2 ... ,ROHS,ISO9001,T/S 16949ASSEMBLY:LEDA FREE,NOT LEAD FREE tablet pcb