DELFINO 2 Pack Door Stop Alarm with 120DB Siren Door Stop

• Dual Function]: Can be used as a door stop alarm and door stopper, Its high-damping rubber bearing can prevent the door from sliding and prevent the bad guys into. A protector around you. Can be used in home and travel.
• Hige-Midium- Low Sensitivities. Which depends on the distance the door touch the door stop alarm.
• Very loud shrill that would definitely scare someone away with a 120db alarm. Weight: 4.5 oz.
• The door stop alarm is powered by a 9V battery, One piece can be used for a year under normal circumstances. Very practical. (Note: Battery not included)
•  NO installation required, Simply place the alarm behind any door (home, hotel, etc). very convenient to take with you when traveling or staying indoor alone. A really must-have around you.