Suitable for 4 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 Safe, neither adding burden to the nor damaging it, easy to Installs and disassemble USB charging, quick releases, 1 clicks remote controls