Compatibility | Astro; Colorado 300; Colorado 400i; Colorado 400t; Dakota 20; Edge 605; Edge 705; eTrex Legend HCx; eTrex Legend Cx; eTrex Venture Cx; eTrex Vista HCx; eTrex Vista Cx; GPSMAP 6012; GPSMAP 6212; GPSMAP 7212; GPSMAP 4008; GPSMAP 4010; GPSMAP 4012; GPSMAP 420/420s; GPSMAP 4208; GPSMAP 421/421s; GPSMAP 4210; GPSMAP 4212; GPSMAP 430/430s; GPSMAP 431/431s; GPSMAP 440/440s; GPSMAP 441/441s; GPSMAP 5008; GPSMAP 5012; GPSMAP 5015; GPSMAP 520/520s; GPSMAP 5208; GPSMAP 521/521s; GPSMAP 5212; GPSMAP 5215 |