Krown Manufacturing Door Knocker 125 K-DK125
The Krown DoorKnocker 125 is a standalone door knocker with an ultra-bright flashing LED to let you know when someone is knocking on your door. No tools required - just hang it over the door!
The device can be used as a flashlight during power outages. Portable and convenient for traveling, use it in hotels, offices, dorm rooms, or one-room apartments.
One year warranty.