Attach The HawkEye Adapter To Any USB Cable And Activate The Alarm To Keep An Eye On Your Charging Cable And Anything That Is Connected To It. Great For Use In Public Locations Such As Coffee Shops Or Airports. LED Indicator Light. Features An Audio Alert When Your Device And Charger Are Disconnected. Activate Security Alarm To Keep Your Device Secure While It Is Charging In Public Locations. Activate Reminder Alarm To Prevent You From Leaving Your Charging Cable Behind In A Hotel Room Or Other Area While Traveling. Press Button To Turn On/Off Or Silence Alert.