Hercules Unbreakable 3.5CH RC Helicopter (Colors May Vary) Set includes: One (1) GYRO Hercules Unbreakable 3.5CH Electric RTF RC Helicopter, One (1) 3.5 channel radio transmitter, one (1) spare blades, one (1) rechargeable battery, one (1) wall charger Rotor diameter: 13 Inches Vehicle battery requirements: Rechargeable battery (included) Transmitter battery requirements: Three (3) AA alkaline batteries (not included) Dimensions: 15 Inches long x 7.5 inches high