Illuminated Keypad Connector Type Square Pin Key Layout Custom Number of Keys 4 Overall Depth 5/8 in Overall Height 3 3/4 in Overall Width 1 1/4 in Case Material Polymer Cutout Height 2 1/2 in Cutout Width 1 in Features Compatible with Storm 450i USB Encoder Integral White LED Illumination Tactile Keys with Snap-On Keycaps Water Resistant Includes Gasket Legend Tile Set A Set of White Tiles IP Rating IP65 Key Top Material Polymer Maximum Operating Temperature 60 Degrees F