Led: LED 1x4w module Light Soure of Module: Multi- chips integrate encapsulate Life span: 25,000 Hours Input Voltage: AC 220 or 110V Rated Watts: 4W CRI: 80 Luminous Flux: 340lm Natual White 320lm Warm White Luminous Efficiency: 85lm/w Natual White 80lm/w Warm White Color Temperature: 2700K/5700K Working Temperature:-20~60 Store Temperature: -30~80 Emitted: Warm White / Natual White Lampshade Material: plastic. Size:60x105mm.