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Will I be stuck in or out of my house if the power goes out?

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No. The Open Sesame door operator has an internal 12vdc sealed lead acid battery, which will operate the unit for a day under loss of power. The battery is kept constantly charged 24/7 while the power is on.

Remote Control Batteries

The batteries used in our transmitters are shown below. They can be obtained at your local drug stores.
2-button transmitter
4-button transmitter
Replacement Battery = 12v 23A
keyless entry push pad
large wireless wall push pad commercial door opener
narrow wireless wall push pad
vertical push pad
Replacement Battery = 9v
push button door opener keychain transmitter
Replacement Batteries (2) =
3v 2016
push button door opener wireless wall touch pad
Replacement Battery =
3v CR123