This is a used Garmin GNS 530 GPS that is currently up for auction.
Guaranteed to work and pass your inspection or your money back.
Some details on the part:
TAWS - TERRAIN
Voltage: 14 and or 28
This unit has WAAS installed
Comes with Tray, & Connectors
Has Mod: 1-6 performed
This unit has TAWS installed and compatible