*Please Note *- This GPS ball mount is not compatible with RV 890; and Bracket Mount is not included EXTRA LONG GOOSENECK ARM - The aluminum long arm can bend up to 13.5 inches for various visual angles to your liking, making it easy to mount the GPS on the windshield or dashboard without blocking the field of view especially when you drive a truck, semi-truck, or van SUPER STICKY SUCTION CUP - Featuring a layer of super sticky gel and locking lever for steady hold, the GPS dash mount will not come undone or slip off; You can effortlessly mount it on most flat surfaces, such as dashboard, table, wall, windshield, and window ANTI-VIBRATION STABILIZER - With the extra hold of the anti-shake stabilizer, the strong sticky suction cup ball mount can securely hold the GPS navigator in its position without vibrating around even on a bumpy road REPLACEMENT GPS HOLDER - An alternative to gps cd slot mount holder, gps air vent mount holder, gps friction beanbag mount holder and gps dash pad (NB: Mounting bracket is not included) WIDE COMPATIBILITY - Fit for compatible with Garmin Dezl 550 560 570 580 660 680 760 770 780 785 790(LM LMT LMT-S LMTHD), Drivesmart 50 51 60 61 70 71(LMT NA LMT-S LMTHD), Driveassist 50 51 60 61 (LMT LMT-S LMT-D LMTHD NA), NuviCam LMTHD, RV 660 760 770 (LMT LMT-S), Zumo 220 340 345 350 390 395 396 450 550 590 595 660 665 (LM LMT-S), DezlCam StreetPilot DriveLuxe Aera DriveRrack series, etc