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Doorknock 400
Discontinued
The new and improved Doorknock signaler can now be used as a security device! When someone touches the door knob, the signaler will flash! It can be used in one-room apartments, dorms, offices, hotels... anywhere. Its size makes it great for travel. The light flashes when someone knocks at the door. Use it as a flashlight too.
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- Door chime or door alarm (105 dB)
- Flashlight with ultra bright LED
- Double sensor: vibration sensor when hanging over the top of the door (bracket included), and electrostatic sensor when hanging on the door knob.
- HIGH/LOW sensitivity selector
- ALARM/OFF/CHIME switch
- FLASHLIGHT ON/OFF switch
- Battery low indicator
- Operates with 3 AA batteries (not included)
- 6V DC power jack (AC adapter sold separately)
