Powerful magnetic clamps - simply attach at any convenient location close to the exhaust Tri-Axial accelerometer and Neodymium sensors - tuned to recognise disturbance and respond instantly Alerts to any tampering with an ear piercing 110 decibel alarm siren Robust and weatherproof to IP55 standards with a long battery standby Select sensitivity, intensity and various alarm signatures using the remote key fob Simply arm/disarm using the remote fob whenever you leave/return to your vehicle, Weight: 0.24471311082 Pounds, Manufacturer: Datel