A workmate flying his "HMF U580 Pro Quadcopter" .

U580 Pro Features and Specifications with retractable landing gear.

 

Motor to Motor Dimension: 580mm

High Current PCB central plate with soldering points

Weight of frame: 640g (excluding Motors, 15 inch Props, Battery, GPS ,and Camera with Gimbal.)

Suggested propellers: 10-15inch

 

More info here :

www.unmannedtechshop.co.uk/u580-pro-quadcopter/

Done