Security detecting: Prevent taking contraband, such as: knife, gun and so on.
Factory: Prevent the loss of valued objects.
Education area: Prevent taking cheat-tool,such as: telephone, electronic dictionary, and so on.
Alarm Terms
sound (vibration) and light alarm simultaneously
Alarm sound
≥75dB(A)
Operating Current
<50mA
Operating Voltage
7V-9V
Operation Frequency
22KHz
Water-proof Grade
IP31
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