Resist the urge of the shiny new alarm system that your builder wants to install so that you don't end up paying $500 more per year than you need to. Opt for a Ring, SimpliSafe, Nest or one of the other DIY alarm systems instead.
Ring Alarm System: https://amzn.to/3gm0OeC
Ring Retrofit Kit: https://amzn.to/2Phiufr
Keypad Wiring Adapter: https://amzn.to/319jI1V
"Bird Whistling, Robin, Single, 13.wav" by InspectorJ (www.jshaw.co.uk) of Freesound.org