Glass break sensor GLASSTREK 457, PARADOX

Software driven, 8/12 bit microprocessor-controlled digital signal processing (8 MHz),
High energy, low frequency sound pressure pulse detection,
Full audio spectrum 7 frequency signal and impact analysis including infra-sound pressure analysis,
2-colour display of impact and spectrum analysis, alarm and test mode,
Digital RFI/EMI filtering, extremely high immunity,
Field test mode,
Unique acoustic microphone chamber and casing design,
High/low sensitivity settings,
Alarm latch mode,
Optional audio monitor output with alarm indication for event verification.