$99 Customer Installation Charge. 36-Month Monitoring Agreement required at $36.99 per month ($1,331.64). 24-Month Monitoring Agreement required at $36.99 ($887.76) for California, including Quality Service Plan (QSP). Form of payment must be by credit card or electronic charge to your checking or savings account. Offer applies to homeowners only. Local permit fees may be required. Satisfactory credit history required. Termination Fee applies. Certain restrictions may apply. Offer valid for new ADT Authorized Premier Provider customers only and not on purchases from ADT LLC. Other rate plans available. Cannot be combined with any other offer.