Features: Constant speed orientation, smooth mirror movement. Stable control of the amount of stick, smooth and silky shooting images. The stroke volume can be adjusted in four gears, and the 360 rotating adjustment gear can precisely control the stroke volume and flight angle. It is suitable for a variety of time-lapse shooting scenes, and can shoot clouds, water, traffic, etc. Used with an extended aluminum alloy joystick, the control is more precise and the action is more stable. High-viscosity double-sided tape, no glue left after repeated use. Use again after a while, just heat it with a hair dryer or heat gun to restore the stickiness Specifications: Material: Plastic+Aluminum alloy Gross weight: 16g Suitable for DJI RC Remote Control Package includes: 1* Rocker Speed Controller 1Pair* Joystick IF YOU HAVE ANY QUESTION, PLEASE CONTACT US, WE WILL SOLVE IT FOU YOU AS SOON AS POSSIBLE.