-You will only receive 2pcs continuous rotation servo with accessories, no other products..
-Feetech fs90r servo is widely used for microbit, drone, smart car, robot etc.
-fs90r servo is 360 degree continuous rotation servo, so you can not control its stop position.
-Operating speed is 110RPM (4.8V), 130RPM (6V), but you can change the pwm to change the servo speed , to make it slower or faster.
-If you have any problem, please do as follow: click "DIYmalls"(you can find "Sold by DIYmalls" under Buy Now button), in the new page, click "Ask a question".