1.made of EL and membrane switch, 3m 467MP2. good quality, 2.good service 3. lead-time 7 days 4.100% test 1.Component :made of Autotex material polyester 220g metal dome 3M4673.silk-screen printing, metal model cuting4. matte or glossy are valuable, suitable for industrial machine5. past UL, RoHs, ISO9001:2009 certicate6. making samples is 7 days, large orders is 12 to 15 days7. good quality, ...