... .GS.EMC.CCC,etc 2.Technology:Advanced equipment and Self-development team Hangzhou Liangliang Electronic Lighting Co.,Ltd Company Profile Features of ... 6,000 hours (8,000 hours and 10,000 hours also provided).3. Saves >80% power more than common incandescent lamp.4 ... , workshop, lobby, meeting hall, hotel, etc.7. One year guarantee. 12v 20w halogen lamp