About This Item Overview DetailsSecond stack extension kit for iDoor technologyDocumentation PDF Data Sheet FeaturesI/O 1 x iDoor slot (chassis only) Dimensions 100 x 70 x 30 mm/ 3.93 x 2.75 x 1.18 in Weight 100 g/0.22 lb Environment Operating Temperature Dependent on iDoor module installed Drivers & Downloads Drivers & Downloads