Vandal Keypad, Connector Type Square Pin, Key Layout Extended, Number of Keys 12, Overall Depth 3/8 in, Overall Height 4 5/8 in, Overall Width 3 7/8 in, Case Material Metal, Cutout Height 3 5/8 in, Cutout Width 2 7/8 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