... 15/18KGDescription :infrared mini aluminium alloy 4 ch radio control helicopter with gyroFunction:up/down, turn left /right forward/backward,precision ... this action will lead the controller to connect with the helicopter. Then LED will light up completely.4) Tri-band ... the helicopters turn “OFF” before changing the frequency5).Switch the helicopter on. Lunch time: 1) Move the joystick slowly forward ...