... : W54*D49*H82CMGross weight: 30KGNet weight: 20KG Optimal Preservation Parameter Table: Relative humidityOptimal Preserved Articles55%--60%Paintings, antique, paper money, stamps ... , paper, and etc.45%--55%Video cameras, lens, camera, computer equipment, musical instrument, CD, floppy discs, video recorders, microscope, telescope ...