Visible link quality indicator on the deviceHigh immunity to background vibrationsAdjustable shock/vibration thresholdsFront and Back tamperOptional magnetic reed switch contactEarly detection of gross attacks or low-level shocksProtects windows, doors, walls and roofs against forced entryQuick and easy installation using unique 7-segment shock meter and pushbuttonsProlonged battery life (5 years with typical use) with all sensors enabledCertified with ULC Wireless Commercial Burglary Listing under ULC-S304-16 Standard - an industry first in Canada!*