This is the Sanwa M12S Super FH4T 2.4GHz 4-Channel Radio System with an included RX-472 4-Channel Receiver, LiFe Battery & Charger. This is the top of the line offering from Sanwa, with advanced programming, SSL support, and Digital High-Response Telemetry! The M12S Super has a variety of features that set it apart from the original M12, making it the "must have" radio system for competition drivers at all levels. This version includes an RX-472 FH4 Super Response SSL Receiver, 2S 6.6V 1850mAh Li-Fe battery and AC charger.

Sanwa/Airtronics M12S Super FH4T 4-Channel 2.4GHz Radio System