We are a professional manufacture in lighting products. lamp energy saving lamp ,energy saving light,energy saving bulb 1Optionalpower:5W/7W/9W/11W/13W/15W/18W/20W/22W/24W/26W/30W/32W/36W/40W/45W/50W/85W/105W etc.. 2)Operating voltage:110-130V or 220-240V. 3)Frequency:50/60HZ 4)Life-span:5000-8000hrs. 5)Color Temperature:6400K 6)Energy saving is 80% more than other common bulbs 7)Service life:8times longer than common bulbs 8)Adopts tri-color phosphor powder produces high and bright illumination effect 9)Applications:resideces,offices,restaurants,hotels,and shops 10)Legerity construction 11)High quality with competitive prices. 12)Quick delivery time