Actuonix L16 series of actuators provide more power than L12 series. L16 actuators are available in 3 modes of control.
L16-P
Potentiometer position feedback, use with a compatible DC motor position controller to allow movement to any commanded position
L16-R
Internal Position Controller. Actuator will move to the commanded position. Compatible with RC Receivers, Arduino, and other Microcontroller systems
L16-S
Simple DC motor control. End of stroke limit switches automatically turn off motor when reached