DJI Phantom 3 Advanced Everything You Need Kit With Hardshell Backpack & eDig Kit: Includes 4 Piece Filter Kit, 4 Intelligent Flight Batteries, 4 Battery Charging Hub, 2 Sets of Propellers and more... The Ultimate Phantom 3 Advanced Bundle! Comes with Everything You Need to get started right away! Backpack holds all 4 batteries and accessories! Charging hub charges all 4 batteries at the same time! 2-stop ND filter-reduces highlights, smooth videos, protects lens + 3-stop ND filter-perfect for filming on very bright days