backUAD Bookstore Products : Door Knockers
If you need more information on any item shown below, contact the Bookstore Manager at uadbookstore@comcast.net
click title to view the picture (arranged in alphabetical order)
Global Beacon Knock $ 35.00 Description: Rely on the attention-getting light of the Door Beacon to let you know a visitor is knocking at your door. Its bright light flashes for several seconds after the knock. The Door Beacon is activated by vibration and allows you to adjust the sensitivity switch to suit your personal needs. * Sensitive to vibrations. * Sensitivity switch. * Easy installation with velcro strip or bracket (included). * Light flashes for several seconds after knock. * 9V battery (not included) |
Silent Call Bracket (for Knock Sensor) (no picture available) $ 8.00 |
Silent Call Knock Sensor $ 35.00 Description: "Someone knocking at the door? You'll know right away with the Knock Sensor. It easily attaches with Velcro to the inside of your door to let you know when you have visitors! Since it is sensitive to vibrations only, it will not pick up other outside noise. When activated, a bright, flashing light alerts you. " |
If you need more information on any item shown above, contact the Bookstore Manager at uadbookstore@comcast.net