... , waterproof, long lifetime and easy to pucker. It is mainly used in office, hospital, lighting keyboardThis EL keyboard consists four parts of ... , dustproof, acidproof, alkaliproof, thin(0.86cm), key-press no voice, easy-curved and puckered, soft light at night, long life-span ... /CTN/38.5X32.5X42CMNW/GW:5.5/8.3KGS lighting keyboard