lighting keyboard.It's thin, soft, waterproof, long lifetime and easy to pucker. It is ... of silica gel, film switch, luminescent sheet and driving circuit. It has the characteristics of waterproof, dustproof, acidproof, alkaliproof, thin(0.86cm), key ... board, 109 key board.-advantages: water proof, dustproof, acidproof, alkaliproof, thin(0.86cm), etc.-usage: in laptop or computer.-packing: 1pcs ...