KERUI Z31 Wireless Vibration Detector Shock Door/Window Magnetic Sensor Alarm

Features: *Vibration Alarm Function: When the detector monitors the vibration of the surrounding over the limited amplitude, the indicator light flashes 1.5 seconds instantly, and send the alarm signal to alarm host at once. *Low-voltage Reminder Function: When the detector is in low voltage, it will send low voltage signal to the alarm host, and the indicator light will flash 1.5 seconds. The alarm host will voice prompt: Zone XX is in low power to remind you to change the batteries. The detector will not monitor vibration anymore after send the low voltage signal, and the indicated light will flash 4 times for every 30 seconds until power off. *Tamper-proof Function: There is a tamper proof button in the back of detector, when the detector is removed, the tamper button would be triggered, the indicated light will flash 2s at once and send the alarm signal to the alarm host. *Sensitivity Switch Function: There is a sensitivity dial code in the back of detector, you can switch the diff Discounted at only: US$ 26.36