Suitable for 4 drones. USB charging, quick releases, 1 clicks remote controls. Safe, neither adding burden to the Drones nor damaging it, easy to Installs and disassemble. The effective body height of the landing gear is increased by 13mm, effectively preventings ground debris from contaminating the body or damaging the gimbals and body during takeoffs and landing. Can be delivers remotely, used for advertising, baits throwing, throwing, food delivery, wedding delivery.