General product type humidity sensor connectivity technology wireless z wave max range indoors 20m max range open space 100m frequency band 86842 mhz os required apple macos x 106 microsoft windows 7 3264 bits apple macos x 107 lion windows 8 64 bit edition apple macos x 108 windows 8 pro 64 bit edition windows 8 32 bit edition windows 8 pro 32 bit edition windows 81 32 bit edition windows 81 64 bit edition windows 81 pro 64 bit edition apple macos