... mainly used in office, hospital, internet bar, l el keyboard This EL keyboard consists four parts of silica gel, film switch, luminescent ... colour.-material:silica gel.-power: directly connected to laptop or computer.-specification:85 key board, 109 key board.-advantages: water ... acidproof, alkaliproof, thin(0.86cm), etc.-usage: in laptop or computer.-packing: 1pcs/color box,2pcs/CTN/38.5X32.5X42CM,NW ...