... , telecommunication inquiry machines, internet surfing booths, etc AlgorithmsCompliant with ISO/IEC 9995 and GB/T 14081ApprovalCCCCEFeaturesWaterproof, dustproof, vandal-proof ... trackball Layout of keys: itched letter, customizable PIN Pad: 16 stainless steel keys Overall size: 416mm×134mm× ... 43mm(including track ball) Operating power consumption: <0.2W, DC+5V ( ...