... ROHS,UL approval (CE/UL approved 277VAC waterproof CC LED driver )(input range: 120~305vAC)Features• Case material-- ... • Meet to safety standard and EMC • Assure LED stability long lift and light efficiency by constant voltage ... various industries, such as outdoor LED illuminating lights, LED Neon, LED City Decoration, LED Lighting Advertising, LED Display, Safety Protection Apparatus, ...