Paradox Piezo-Seismic Sensor with High-Sensitivity Piezoelectric Element for Safes, 2.5 m Detection Range, Specifically Designed for Safes. Alarm output, 5 different sensitivity settings, 2.5 m protection range, operating temperature range between -20° and 50°, power supply between 10 and 16 VDC. Current consumption: 16 mA, adjustable sensitivity (100%, 70%, 50%, 40%, 30%).