{"Keypad Output:":"PS2, USB","Keypad Array:":"1 x 4","Housing Material:":"Metal","No. of Keys:":"4","Product Range:":"W Series","Contact Voltage DC Nom:":"5 V","Contact Current Max:":"20 mA","Panel Cutout Height:":"102 mm","SVHC:":"To Be Advised","Panel Cutout Width:":"30 mm"}...