acrylic led channel letter 1.CE/RoHS/ISO9001 certification 2.Own factory,competitive price,OEM service 3.Customized Acrylic ... , and 50.000 hours guaranteed at least5Experience and CertificationCE/ISO9001/ROHS6VoltageDC 12V and we also provide the electricity transformer,CE ... available (DHL,UPS), and Air freight1.CE ,RoHS and ISO9001 certificated LED module use Rishang chips,2.Super high brightness ...