Futaba R304SBE 4-Ch 2.4G TFHSS Telemetry Rx. 3.13 x 2.5 x 1.13 inches. 14 – 16 years. Power requirement rated voltage: 4.8-7.4V. Usable voltage: 3.5-8.4V. System: T-FHSS (auto detection) W/ SBUS2 port. Futaba has a long history of providing reliable, high-quality products that last. That longevity also allows for an abundance of available information about most generations of Futaba products. After 50+ years of innovation in the hobby industry, Futaba is especially proud of the distinguished reputation we hold with hobbyists. We aim to maintain that regarded level of consumer confidence. We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.