Key specifications / special features:
1) 4 x 4 matrix keypad with enter, cancel, correction, etc.
2) Mechanical lifetime: 1 million actuations
3) Actuation force: 3N (pressure point)
4) Contact travel: 0.45mm
5) Material actuator / keys: stainless steel
6) Front panel material: stainless
7) Lettering: laser engraved

Environment adaptability:
1) Keypad is watertight when mounted correctly to ATM
2) Protection level: IP 65 (static) / IP 54 (dynamic)
3) Temperature range: -25 ~ 45oC
4) Humidity: 20 - 95%
5) Air pressure: 60 - 106kpa

Reliability:
1) MTBF: >20,000hrs
2) MTTR: <30mins

Dimensions and weight:
1) Front plate: 100 x 91.4mm
2) Overall: 140 x 95 x 33.3mm
3) Weight: 0.60kg