Photo 1 of HITBEAT 115dB Door Knob/Handle Vibration Alarm for Home Hotel Apartment Door Looker Alarm 4 Packs

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Photo 1 of HITBEAT 115dB Door Knob/Handle Vibration Alarm for Home Hotel Apartment Door Looker Alarm 4 PacksPhoto 2 of HITBEAT 115dB Door Knob/Handle Vibration Alarm for Home Hotel Apartment Door Looker Alarm 4 Packs