Description Product Reviews Krown DK125 Door Knocker Signaling Device LED Indicator An effective alerting device for home, office, dorm, hotel or motel, Krowns Door Knocker 125 can be placed above any door and its ultra bright LED indicator will flash repeatedly alerting you someone is knocking. A convenient travel compaion, the Door Knocker 125 is small enough for purse or carry-on, and versatile enough to substitute as a high powered flashlight Long lasting LED Flashlight Hang over the top of a door (bracket included) On/Off switch Battery Low indicator Uses 9V battery (not included) 0 Reviews Hide Reviews Product Reviews