indoor use:10W Dual USB charger size:66.55*47.20*24.06mm color:white and black input:100-240V 50-60Hz. 450mA output: 5V--Total2.1A world travel charger --powerful 2USB port,1*1000mA&1*2100mA --surface with perfect UV oil coating,looks elegant&luxury,which protect goods from scratching --special 2USB design,charge your smart phones/fashion products freely --over-load,over current and short circuit protection Apply for brand cloth/bank VIP/Oil line gifts etc