Designer ceiling light incorporated led module series artemide mercury designer ross lovegrove design year 2012 max power 29 watt materials plastic metal aluminium energy efficiency class built in led module a a a number of sockets 2 dimmer protection class ip20 colour silver height 562 cm length 70 cm diameter 70 cm type of bulb led socket r7s light output 2 280 lumen colour temperature 3 000 k bulb included protection class 1