This is a astro 220 with three 3 DC 30 collars. The astro has a east coast map card installed. It runs on 2 AA batteries. The collars and tracking unit are in good working condition and charged on a monthly basis. Each collar comes with a wall charger and new never used 12V charger.Included in this package is the hard case and a magnetic roof mount antenna so you can track while driving if need...