... ,dustproof, vandal-proof 3.No need for driver installation Metal Keyboard with TrackballFor financial equipments like ATM, CDM, CRS, commercial equipments like ... booths, etc AlgorithmsCompliant with ISO/IEC 9995 and GB/T 14081ApprovalCCCCEFeaturesWaterproof, dustproof, vandal-proof No need for driver installationSpecificationsAlpha keyboard: 64 stainless ...