Need to allow temporary access to a third party? No problem. Easily grant time- specific access through our SentriConnect® app or FlexCodes™. These provide revocable temporary access to anyone authorized. It’s safe and convenient, allowing you to focus on selling – without the hassles.
Link: https://www.sentrilock.com/sentriguard-lockbox-how-to-open-the-key-compartment-with-touch-n-show/