1)Optional power:20W/22W/24W/26W/28W/30W/32W/36W/40W/45Wetc. 2)Operating voltage:110-130V or 220-240V. 3)Frequency:50/60HZ 4)Life-span:5000-8000hrs. 5)Color Temperature:6400K 6)Material: PP/PC/PBT 7)Holder: B22/E27/E14 8)Color: white/red/green/blue 9)Energy saving is 80% more than other common bulbs 10)Service life:8times longer than common bulbs 11)Adopts tri-color phosphor powder produces high and bright illumination effect 12)Applications:resideces,offices,restaurants,hotels,and shops 13)High quality with competitive prices. 14)Quick delivery time