Size:175mm*40mmActuating force: 2.5 to 3NStroke travel: 0.45mmOperating temperature: 0 to +456 degrees CelsiusStorage temperature: -30 to 706 degrees CelsiusOperating relative humidity: 30 to 95%Operational life: greater than 1 million actuationsFront panel material: stainless steelLettering: etching with strong printing inkElectrical:Power supply voltage: 50V DC, ±5%Current rating: 10mAInterface: PS/2 serial interface (encryption) PS/2 or USB (normal)Reliability:

Water-resistant Cash Machine Metal functional keypad