... . It is mainly used in office, hospital, lighting keyboardThis EL keyboard consists four parts of silica gel, film switch, luminescent sheet ... .86cm), key-press no voice, easy-curved and puckered, soft light at night, long life-span. It is mainly used in ... .-colour:various colour.-material:silica gel.-power: directly connected to laptop or computer.-specification:85 key board, 109 key board.-advantages ...