... .90(KGS)Certificate:EMC/EN71/EN62115/ROHS/SPECS:Battery for helicopter:3.7V,280MAH NI-MHBattery for controller:6pcs * 1.5V AA ... way:USB chargerFunction:1,Up,Down,Forward,Backward,Turn left,Turn right,side flying,pause2,It is very stable with gyro for this helicopter ...