GPS Tracker - Optimus 2.0 4G LTE Bundle with Waterproof Twin Magnet Case | eBay
Car Easy Plug-in to OBD Port GPS Tracker with Extension Cable | Optimus
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The Optimus 3.0 GPS Tracker - YouTube
Optimus GPS Tracking - The brand new Optimus 3.0 GPS Tracker. People are asking "What is the difference between the Optimus 3.0 and the Optimus 2.0?" Here it is. The Optimus 3.0
Amazon.com: Optimus GB100M GPS Tracker for Vehicles - Easy Installation on Car's Battery - Low Cost Subscription Plan Options : Electronics