Manual awnings are more dependable and durable. You can install a power awning motor to your existing manual Two Step awning. I am not sure of the cost and you will have to have help if you do it yourself. You will also have to provide power to the awning through at least a switch if not a controller. If it were me I would stay with manual patio and over the door awnings.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7