This item is sold and shipped as a download card with printed instructions on how to download the software online and a serial key to authenticate. Faber Acoustical SignalScope XM V12 Advanced Tool Set includes access to a suite of basic and advanced analysis tools, plus ongoing hardware support, such as periodically updated nominal microphone sensitivities for built-in microphones on Apple devices, updated nominal voltage sensitivities for select audio input devices, and automatic calibration for audio input devices that include built-in sensitivity information