https://www.moonsindustries.com/series/akm-series-step-servo-motors-a01030110
AKM Series Step-Servo Motors with Absolute Encoder | MOONS'
MOONS' AKM Series step-servo motors feature a battery-free multi-turn absolute encoder, 28–60mm frame sizes, and high torque for precise industrial motion...
akm seriesstep servoabsolute encodermotors