Genuine Garmin AC adapter, part number 320-00221-31, model TRC-12-1200. 

Input: 100–240V AC, 50–60Hz, 0.45A 

Output: 12V DC, 1.2A 

US 2-prong plug 

Right-angle proprietary Garmin connector 

Condition: Used, working wall adapter. Housing has normal light scuffs and marks from use and storage. Cable is intact with a wrap to keep it organized. Connector pins look clean. Photos show the exact item you will receive. 

This is the original-style charger for the older GPSMAP aviation/portable series (296, 396, 496, 276C, 495, etc.). Good spare or replacement if yours is missing or worn.