All work some missing minor things most will run as is not needing anything.Picture says models.$15-$25 each.I have the manuals to install and the user guides.I have some relays also if needed more for the outputs of the alarms.Most have 2-3 relays inside already.Then I have tons of Type23A 12volt remote batteries.Most stores sell them between $5-$15 each.I can sell in packs of 5 or singles just let me know how many you want.Say $2 each