Spektrum SR315 3 Channel DMSR Sport Surface ReceiverOverview With a compact case design, class leading range, quick 5.5ms frame rate, and a Gas model preset failsafe, the SR315 is perfect for Bashers to Racers and everything in between. Features Streamlined design in a compact and lightweight hard-case Bind-button eliminates the need for a bind plug SmartSafe™ Failsafe and Preset "Gas Mode" Failsafe options Outstanding range and 5.5ms capable DSMR technology Ideal for nearly any surface RC model Built around frequency-agile DSMR technology, the SR315 receiver delivers superb range and response, especially in noisy RF environments where a solid 2.4GHz link is crucial. Not only is the 2.4ghz link solid, this model also implements our lightning fast 5.5ms frame rate, providing a quicker , low-latency connection for the pro-level enthusiast. The SR315 also features a new, modern case design that is small, streamlined, and ready for nearly any RC application. The case also features added antenna support and an integrated antenna tube slot for seamlessly easy installation. No more bind plugs! Instead, an easy-to-use bind button is used to enter the bind mode. Plus, while binding, you have the choice of SmartSafe™ as well as preset ‘Gas’ failsafe options. All combined, Spektrum gives drivers more features in an affordable receiver, so you can drive with confidence.