Cobra R/C 3 Channel Mini Helicopter - Wolf Charge Time: 10-20 minutes Includes Premium Li-Poly Battery Requires 6AA batteries sold separately Safety: for indoor use with adult supervision. Fly over soft surfaces (i.e. carpet). Do not leave helicopter connected to charger after full charge is reached Fly over soft surfaces (i.e. carpet). Do not leave helicopter connected to charger after full charge is reached