Ultimate Alien UFO Electric RC Flying Saucer Ready To Fly RTF (Colors May Vary) Features: Electric Powered (Rechargeable) Big Single Rotor Design Provides Maximum Lift & Power! Extremely Lightweight, Durable Foam Body Construction Comes with an High Performance Lithium Battery for Longer Flight Times! Charges Via Included Wall Charger! Remote Control requires 9V Battery to run (not included) Diameter: 9"