... service with professionally 4.CE,ROHS What is panel t-shirt made up of ?T-shirt100% cotton , 160gsm,180gsm,200gsmStyle: men , women , ... kind: sewed or velcro on the t-shirt Control : 4AAA or 2AAA battery packbright : high bright time span : more than 8000 hours.Color ... ,It can be hided inside of T-shirt.Connecting wireConnect panel and inverter. The size of t-shirt : Details of inverter : Packing : PVC ...