... is crafted for high quality aluminum,the surface smooth,flat;2. Reflector imported high-purity aluminum reflective mateial,high effciency,small glare ... acid,anti-aging.5. Pole material with ss400/q235 quality steel,hot dip galvanized anti-rust treatment. Features:1 ... high proportion of visible light: 80% visible light, better visual effects;9) Instant Starting, no Cold-start:Can be immediately activated ...