The waterproof SR310 is a great choice for bashers or boaters who want an affordable receiver that can handle the worst nature and the RF environment can throw at it. 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.