Operation: 1. This alarm is operated by a 9V battery. 2. Open the battery door on the back side of the alarm unit. And place a 9V battery in the battery compartment. Make sure the battery is installed correcly before use. See fig. 1. 3. After installing 9V battery, place the doorstop alarm behind a […]
Door stop alarm Security fortification 120dB Convenient and quick. Features: 1. Wedge-shape design to fit any hinged door. 2. Adjustable high sensitivity. 3. No installation required, easy for travelers to carry. 4. 120 dB high-pitched continuous siren when activated. 5. Can be used as doorstop when power switch is turned off 6. Special design for […]