1. Suitable for RC PRO 2 remote control joystick speed controller, made of ABS and silicone materials, free fingers for constant speed flight, stable control of the stick amount, smooth , 360° rotation to change the flight direction and free control angle, easy to adjust the stick amount, screw the screw to adjust the stick amount infinitely 2. Suitable for a variety of time-lapse scenes, water flow time-lapse , traffic flow time-lapse , cloud and fog time-lapse and other scenes 3. The silicone base is soft and does not damage the remote control, and compact, easy to carry Color:Silver & White Material:ABS+Silicone Package Contents: 2 * Rocker Speed Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.