Infrared Helicopter Nano Falcon Alpha (Black) Tweet Description Size: L81mm / Body: L65mm Battery Type: Main Part: Rechargable Lithium Ion Polymer Battery (built-in) / Controller: Alkaline AA Battery x4 (sold separately) [Set Contents] -Main figure x1 -Controller x1 -Spare tail propeller x2 -Remover x1 -Instruction paper x1