Note: this is the AA battery model. You must use alkaline batteries, non-rechargeable for battery operation. Has cig lighter DC adapter too.
AI has this to say:
Introducing the Yaesu FTA-550 Pro-X Handheld Nav/Com VHF Transceiver with VOR/ILS Navigation. This advanced device is perfect for aviation enthusiasts and professionals alike. With its compact design and powerful features, it is an excellent addition to any cockpit.
The FTA-550 boasts a range of impressive capabilities, including VHF communication, VOR/ILS navigation, and a built-in FLIGHT PLANNER. It is also compatible with a wide range of aviation devices and accessories, making it a versatile and indispensable tool for any aviation enthusiast. Whether you're a seasoned pilot or just starting out, the Yaesu FTA-550 Pro-X is an excellent choice for your aviation communication needs.