12.1" Openframe LCD SAW touchmonitor Both RS232 and USB interface FCC,CE,CCC,RoHS certificated Dust-proof ... Model No.KOT-0121US-SA6BPSeriesOT,Dust-proofStructureMetal-cased Openframe and Black medal Dust-proof Front BezelLCD TypeActive matrix TFT- ... Options: Anti-glare/Tempered)Touch System InterfaceUSB and RS232CertificatesETL ,FCC,CE,RoHS Openframe touch LCD monitor with 12.1"SAW Touch screen