Smart Caregiver Motion Sensor for Economy Central Monitoring Unit

Do the sensor units need to be Reset after each sensing?

will this work with the 433-sys-30 base unit?

I need a very gentle, little sound to wake me in the same room as my mom & don’t want to alarm her with a loud long sound-how does this one sound?

Will this work with the smartcaregiver motion sensor and alarm set,for use in another room?