sanwa ,M17 2.4ghz Radio System Airtronics,w/Rx-493 receiver the Best for dragracing No prep

This is the Sanwa M17 FH5 4-Channel 2.4GHz Radio System, with included RX-493 Receiver. The M17 is the next flagship transmitter for Sanwa and boasts a color display, touch pad and FH5 Technology, all with an updated lightweight and compact design. The included RX-493 M17 2.4GHz 4-Channel FHSS5 SRX/SSL Receiver is a FH5/FH5U and SXR response mode compatible receiver that features a traditional 100mm coaxial antenna with an integrated antenna tube mount, ensuring stable performance in about any situation compared to built-in antenna receiver units. Furthermore the high-voltage compatible receiver is waterproof, comparable to IPX4, and it supports Sanwa’s SSL function. The unit measures 26×23.2x14mm, it weighs in at 6.2g and is designed to work exclusively with the Sanwa M17 radio system    Features: Transmitter: 20% faster than the M12S 1S LiPo Use  "FH5" Technology  Weighs 21% less (510g) than M12 @ 610g  4-Channel Rx included  Color Display Touch Pad Compatible with Micro SDHC  Deta