Generac 9855 Homelink 50A Pre-Wired Manual Transfer Switch. It is compatible with portable generators featuring compatible GFCI outlets and can be upgraded for use with home standby generators up to 11 kW by changing the original controller. This switch provides 10 circuits, expandable to a maximum of 16 circuits, including one 30A 2 pole, one 20A 2 pole, two 20A 1 pole, and two 20A 1 pole tandem. It comes with a 10' transfer switch cord, 50A, aluminum power inlet box, install manual, wiring harness, conduit, and fittings. It has a 5-year limited warranty and is UL listed.