1.GPS Tracker 104 2. Waterproof shell 3.track by SMS or internet. 4.Cut off the Oil and Power 5.Geo-fence. long battery. GPS Tracker 104 Main Features1. Waterproof shell2. Built-in large capacity 6000MA battery, long standby time of 60 days.3. Powerful magnets to absorb to vehicle firmly.4. Real-time tracking, retrieve of lost vehicles, cargo.5. Movement alarm, Geo-fence alarm, shock sensor alarm ...