Shes Birdie Box Portable Door Alarm is designed to provide added peace of mind during travel hotel stays and temporary living situations. The compact lightweight design installs quickly onto most doors using damage free adhesive strips without requiring tools or permanent hardware. When the door is opened the device activates a powerful 130 decibel siren and flashing strobe light to help alert nearby people to unexpected entry. A built in LED flashlight adds convenient visibility for nighttime use and emergency situations. Rechargeable battery operation and TSA approved portability make it easy to pack in luggage backpacks purses or carry on bags. This portable safety device is ideal for travelers students renters and anyone wanting extra security while away from home