Mod Kit 3100 Single-axis
Upgrades a Standard System 20, 40, 30ALT, 60PSS or 60-1 to an S-TEC 3100

The next-generation Genesys Aerosystems S-TEC 3100 Digital Flight Control System (DFCS) is a fully featured, attitude-based autopilot that gives you a list of workload-reducing and safety-enhancing capabilities that were previously unavailable on aftermarket autopilots. Compatible with advanced digital sources & EFIS displays from Garmin, Aspen and others, the S-TEC 3100 delivers unmatched features and benefits:

Precise, digital flight control for every phase of flight
2-axis (3-axis option on some models)
Automatic Trim included
Envelope Protection/Alerting*
Straight and Level Recovery
Precision Approaches/Missed Approaches
Indicated Airspeed Hold*
Altitude Preselect*

Click on the link below for certified aircraft models and much more information

https://genesys-aerosystems.com/products/s-tec-3100-digital-flight-control-system