Not farther than 150 feet
3.Place the push button where you would like to mount it and with the chime as close to its final position as possible and test operation. If it works, mount the button. If it does not work, see TROUBLESHOOTING.
4.Use back cover of push button as a template to mark two screw holes.
5.Drill two holes with 3/32” size drill in marked locations.
6.Secure back cover to the mounting surface with two supplied mounting screws.