... .use in bedroom, school.hotel,super market,showroom,office,factory,ect. 2 ... or IR radiation No noises occur due to LED technology Without mercury and other harmful material Saving ... 4. Commercial Complexes 5. Factories/Offices 6. Super marketContact Detail: CHENGYI ELECTRONICS CO.,LTD Http://czchengyi ... Guangchuang Yuan, Lanhua Third Street, Chaozhou, Guangdong led lamp How to contact me:A. if you ...