Compatible List:
Payload: 150g/0.33lb --- 4000g/8.8lb (lens and other accessories are included, and center of gravity of gimbal is balanced ).
1. Canon 5D Mark III/ Mark IV/ 6D / 80D and other cameras with similar or dimensions and weight, or Smaller less weight camera
2. 2 Sony α7/ α9 series: Sony a7r3 A7Rii  a7r2 a7s2 a7, a9, a6500, a6300, a6000 and a5100 etc
 3 Panasonic, Nikon, and other cameras, like GH5/GH5S, Nikon D850
4 Cinema Camcorder like Canon C300 with lens EF-S 10-18mm f/4.5-5.6 IS STM

Key Feature(in shorts)
Max payload is up to 4KG, working with cinecamera as well. 
Present infinite originality in shooting with 360 degrees rolling follow.
Enjoy a powerful support system Touchscreen constructs. 
Two ways for connecting camera with gimbal, follow focus unit is supported as well.
The individual extension supports to a variety of needs.
Precise control of motor power is available by various modes of motor dynamics adaptation.
Stair-step shape quick release plate fits more lenses.
Wheeled lens support frame provides a smooth zoom function while fixing the lens.
Find more possibility on carbon fiber extension rod and dual handle grip.
An easier way to balance gimbal with a new structure.

Package Including:
1 x Feiyu Ak4000
1 x Feiyu Ak Series Dual Handle Grip
1 x Feiyu Follow focus servo
1 x Micro USB cable
1 x Sony shutter release cables
1 x Canon (N3 interface) shutter release cables
1 x Panasonic (L1 interface) shutter release cables
1 x Stable and Extension Support of Tilting Axis
1 x Extension Rod
1 x Tripod
1 x Charger
1 x Thumb Screw
1 x EPP Portable Case
1 x HolaFoto 323 quick release plate