16 Keys rounded industrial metal keypad,access control keypad,Encryption pinpad,PCI pinpad,ATM pinpad,ATM keypad, Features· ... and inking lettering· Brushed surface· DES/3DES/TDES encryption· Designed for public, outdoor, industrial and other extreme surroundings· Can be cleaned ... °C, can be extended to -40°C to +80°C · Storage temperature: -40°C to +80°C · Relative humidity: 30% to ...