This is a 2-in-1 device, combining a Spektrum SLT Receiver and an 80-amp brushless ESC into one case, to reduce required space in a vehicle and for simple setup and use. Compatible with the 1/10 SENTON 223S BLX, 1/10 VORTEKS 223S BLX, and 1/8 TYPHON 223S BLX.