Answer
Aug 03, 2015 - 12:00 AM
Thank you for your inquiry. The Manual Door Chime features a pendulum inside of the box that makes a dinging sound when the door is opened. I would recommend one of the other Entry Alert Systems we offer for a door that is constantly open. Please let us know if you require any additional assistance. Thank you again, have a great day!
http://www.storesupply.com/c-484-entr...
http://www.storesupply.com/c-484-entr...
