Toughened Keypad Connector Type Square Pin Key Layout Cursor Number of Keys 4 Overall Depth 3/8 in Overall Height 4 5/8 in Overall Width 1 5/8 in Case Material Polymer Cutout Height 3 5/8 in Cutout Width 1 in Features Compatible with Storm 450i USB Encoder Engraved Keytop Graphics High Contrast Keys Metal Keys Includes Gasket IP Rating IP65 Key Top Material Metal Maximum Operating Temperature 212 Degrees F Minimum Operating Temperature -40 Degrees F