SX 28022 Skylark 3CH RC Helicopter, Large 16" Frame Product Fuselage length about 16" Helicopter battery: 7.4V 850MAH LI-PO(included) ,Transmitter battery: 8*AA(not included) Helicopter Charge time: about 2 hours, Flying time: about 12-15 minutes Control distance about 50m (164 feet)