Protection One uses Honeywell built security equipment that comes with a lifetime guarantee, for a small monthly fee, as long as you employ their respective monitoring service. However, Monitoring service comes at a lower end price starting at $24. 99 per month with a three year minimum commitment. Protection One uses their own proprietary monitoring company to service clients. Customer service is important to themanda quick response, during an emergency, is their ultimate goal. If the alarm is triggered the monitoring system will attempt to call your or whomever is on your list of contacts after a short period of time lapses.