Metal Non Encryption Keyboard

We are offering metal non encryption keyboard.
size :150*74(mm)
introduction: metal non-encryption keypad was made of high quality stainless steel. It has the functions of dust proof, waterproof, shake proof, pick proof, drill proof and bombproof. And we have ce, fcc and rohs certificated.
standards :iso iec9995, gb t1408.
properties of products : key lifespan: above 2,000,000,000key press force:3~5nkey travel: >0.45mm environment adaptation protection level: ip65(static) ip54(dynamic)4* 4 key (10 numeric keys, 5 function keys).
interface :ps2 or usb port.
applications :atm, cdm, self-service terminal, payment center.
environment adaptation:
operation temperature: economical grade: 0~45 rh: 30%~90% industrial grade:-40~+60 rh30%~90%
storage temperature(recommended):-25~+55 rh: 20%~95%(no condensate). Air pressure: 60~106kpa.