Swann Doorstop Alarm, SWHOM-DOORST
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Doorstop Alarm – Alarm sound when the door is opened. Do-It-Yourself in 5 mins. 110 db alram. Battery operated. Product Features Powerful 110db+ siren sounds when pressure is applied onto the doorstop Simple operation with an on/off switch for the alarm