120 Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti The ZF
6,45 €
2.120 db supper loud alarm ringing. When needed to use the alarm, only put the switch to "ON" position, and the alarm devices in stand-by. And the sound will not stop until the switch is put to "OFF" position(A 9V battery is available inside the device, change for a new one when the original battery is used up).
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