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
• Includes a 1S LiPo batter (installed) 
• "FH5" Technology 
• Weighs 21% less (510g) than M12 @ 610g 
• 4-Channel Rx included 
• Color Display
• Touch Pad
• Compatible with Micro SDHC 
• Detachable Throttle Unit
• SSL CODE10 & CODE5
• Multi-Setting Gear Function
• Full Adjustable Trigger
• Position Optimization
• Steering Swing Adjust Function (-10° & +10°)
• Tilt Carrying Handle 
• Strap Hook
• Position Adjustment for Lefty
• Large Steering Wheel
• Quick Setup Wizard
• Screen Reader Function
• Vibration Alerts 
• Variable Optional Parts
• Backwards compatible with other Sanwa receivers 
• And much more
• Receiver:
• 2.4 GHz FHSS5 Spread Spectrum System
• Compatible with M17 transmitter
• 4 channels
• Telemetry compatible
• SSL compatible with
• Ultra Response Mode (SUR)
• Extreme Response Mode (SXR)
• Waterproof
• The smallest and lightest receiver in the class