wireless long standby gps tracking device solar gps container tracker S7 
waterproof mini gps tracker 4G GPRS GPS Vehicle Tracking Device S3
$12.00GPS Tracker GT02D is a mini gps vehicle tracking device with internal GPS/GSM antenna, and 140mAh internal battery as a optional choose. It is designed for fleet, vehicle manufacturers and 4S shops and individual users. What’s more, it is works in taxis and motorcycles as well.