Sound S1 is a suspension lamp made of metal.‎Electrical characteristicsStandard:1XG9X10WCECCCCB SCHEMELED:UP: LED X 4,4 W CRI>90 3000 K 650LMDOWN: LED X 4,4 W CRI>90 3000 K 650LMUP: LED X 4,4 W CRI>90 2700 K 553LMDOWN: LED X 4,4 W CRI>90 2700 K 553LMDIMMABLE: 1-10V, PUSHCE LEDETL LEDCCC LEDCB SCHEME LED Sound is a collection of lamps made of metal with decorated glass diffuser.‎ Available in 2 different finishes, brushed gold and two-tone matte black / brushed brass