1) Wireless digital type, DIY project

2) High quality PVC material for plastic covers

3) Software driven, microprocessor-controlled digital signal processing (8MHz).

4) High frequency sound pressure detection

5) Full audio spectrum and impact analysis including infra-sound pressure analysis

6) Digital RFI/EMI filtering, extremely high immunity

7) Unique acoustic microphone chamber and casing design

8) Manual sensitivity settings to avoid false alarm