Dynon D3 portable EFIS. Great safety back up, easy install with no STC required. Upgrading panel so no longer need. The display was factory exchanged and has approximately 1 hr use. The rest has less the 10 hrs use. Includes, suction cup mount, 3 1/8″ standard panel hole mount, extra display holder with quad lock (lock easily removable), gps antenna (cosmetic scratches). Save $300 off new for 1 hr use