Code:5537N-LBN-DA Intended use:Interior Installation:Wall, ceiling Body/Structure:Aluminum Led fixing disk and heat sink, internal structure of pre-galvanized sheet steel. Painting:Interior polyester powder coating Color:Grey Glass/Screen:Bi-frosted methacrylate diffuser screen Driver:Built-in DALI dimmable driver for LED, max output 700mA dc Voltage:220/240v Light beam:Symmetrical diffusing Current:700mA Insulation class:1 Weight:7.30 IP grade:40 Glow wire:650 Lamp included:true Overall power:55 Device flow:5538 Nominal duration:50.000(h) L80 B20 Color temperature:4000 Color rendering index:>90 Color constancy:3