Are there easy to follow installation instructions in the packaging for the door bell button?

Yes, there are easy to follow instructions in all the doorbells and push button packages. Changing your Push Button is easier than you may think. A Wired Doorbell system is low voltage, so you do not have to turn off the power to change your push button. Simply unscrew the old push button; remove the 2 wires from the terminal screws on the back; attach those 2 wires to the terminal screws of your new push button; screw your new push button back in place. Note: if you are changing or adding a transformer for a wired system, then you DO have to turn off the power at your junction box.