1. Please stay safely away from high speed rotating propellers to avoid hurt.2. Do not touch motors after fly to avoid scalding.3. It is forbidden to use model remote controller within 5 km away from airport runway in order to protect aeronautical radio station electromagnetic environment requirement. Do not use model remote controllers as well during government control command for radio.4. Only the recommended charger could be used for charging this model, charger is not a model, disconnected with charge before cleaning.5. Regularly check whether wire of charger, plug,shelland other part is broken, once broken happens, stop using and repair and recover it.6. Laser is radiation, do not stare at laser light directly7. The model may contain small parts which is suffocation hazard to child younger than 3 years old.8. Preserve the packing or instruction manual well which contains important information.