You can find the date of manufacture in one of the following locations. Cylindrical, Mortise and EX units will have white stickers on the inside of the outside trim the date can be found on the bottom of this sticker.
The date and order number may also be engraved on the inside sleeve of a cylindrical lock and next to the deadbolt on a mortise lock.
B.A.S.I.S Offline, Wi-Q WDC, and Keypad EZ
EX units do not have the manufacture date engraved on them. The date of manufacture can only be found on the white sticker.
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