Promark P70 GPS Shadow Drone - Premier GPS-Enabled Drone with Follow Me Technology - 6-Axis Gyroscope for Panoramic Shots - Lithium Batteries Included - 720p WiFi Camera - Includes VR Goggles - Walmart.com
ProMark™3
GPS System Magellan Promark 3 | Mistar Project - Design, engineering geological and hydrological, drilling
Magellan Promark 3 800488-10 | eBay
Amazon.com: Synergy Digital GPS Battery, Compatible with Magellan Promark 3 GPS, (Li-Ion, 3.7V, 3960 mAh) Ultra High Capacity, Replacement for Ashtech 111141 Battery : Electronics