Amazon.com: Brickhouse Security Weatherproof Magnetic Case for Built-in GPS Tracker for Cars, Trucks and Vans - Car or Vehicle Tracking Device, Hidden and Discreet Tracker for Spark Nano 7 or GL300 Slap
DJI Spark GPS Module
DJI Spark review: Ups the ante on selfie drones - CNET
DJI Spark: How Active Track Actually Works! - YouTube