Krown Door Knocker 125 Signaler,Door Signaler,Each,DK-125Price: USD49.99 Krown Door Knocker 125 Signaler has large, ultra bright LED indicator that flashes when someone knocks at the door. Use as a flashlight in power outages. It is portable and convenient for travelers and can also be used in hotels, offices, dorms or one-room apartments.Other products from H e a l t h P r o d u c t s F o r Y o u |