I am going to preface this review with a caveat...I do not maintain an account with this company. The alarm was here when I purchased the house. I chose to NOT maintain the service that the old homeowner had, but left the unit in place "just in case" I wanted to have the service restored. Recently (within the past several months) the system began acting up (it will start beeping for no apparent reason--you can push reset to get it to stop, but it will start again arbitrarily--usually at odd times after midnight or when a door... read full review »