The Spektrum™ DX2E transmitter is the perfect choice for sport-level car truck and boat drivers. Everything you need to bash around your backyard or local track. Proven performance reliability and range from the Spektrum brand make the DX2E transmitter great for someone looking to get involved in RC surface or a great grab-and-go transmitter for the expert. SR310 3 channel receiver Bashing boating or rock crawling the SR310 receiver can handle the worst nature and the RF environment can throw at it. It's built around frequency-agile DSMR™ technology that delivers superb range and response especially in places where a lot of 2.4GHz systems are in use at once. This unbeatable signal security is complemented by a fuel-proof case and a waterproof Reliakote™ coating that seals internal electronics from the elements and other corrosives like nitro methane and motor spray.