LED bulb Technology parameter 1) LED Quantity:3 pcs 1W LED 2) Input Voltage: AC85-256V 3) Power Consumption: 3W 4) Initial Lumen: 270Lm 5) Color Temperature: 2700-3300K,4000-4500K,5500-6000K 6) Beam Angle: 15°,30°,45° 7) Color Rendring Index: ≥80 8) Lumen Maintenance: 80%Lumen Maintenance at 35000 hours 9) Lampholder type: E26 / E27 10) Protection Rating: IP20 11) Working Temperature: -40°C or 50°C 12) Dimension: D50mm x H100mm. Applications 1) Replacement bulbs for general lighting 2) Especially for museums,art galleries 3) Cosmetic counters where UV or IR radiation is undesirable