... ;4,Environmental conservation, no stroboscopic, no UVR and IRDA, low heat, without mercury and other harmful substance5,life time is about ... ,led lamp , led panel ,led lamp , led panel ,led lamp20w LED down LIGHT ,30w LED down LIGHT ,58w LED down LIGHT , 30w LED down LIGHT ,20w LED down LIGHT ,LED PANEL LIGHT ,LED PANEL ...