Caution: "1 please do not go out when not at home battery charging, please do not charge the battery just after flying immediately, please do not over discharge the battery (over discharge may cause the battery can not be charged and invalid) battery fully charged in time to power off can not be charged for a long time. 2. Do not modify any parameters and wiring without understanding the flight control and remote control. 3. In the aircraft to power electricity before the remote control to open, after the end of the flight to unplug the power electricity, and then close the remote control to prevent accidents. 4. The product is loose unassembled/welded, if you have any technical and assembly problems, please feel free to contact us, we have a special technical team to reply related issues. If customers need to assemble, please feel free to contact us, we will give reasonable quotation for additional logistics freight and technical assembly fees, etc. 5. This product is not a toy and is not suitable for children under 14 years old. 6. If you are a beginner, it is recommended to be assisted by an experienced adult 7. Beginners should pay attention to the aircraft in the rotation of the aircraft do not use your hands to hold the aircraft or let the children to hold to prevent being scratched 8. aircraft in flight at high altitude falling walls or hit other objects, please turn off the start switch in time, otherwise it may cause damage to the flight control motor and other damage to see if the aircraft has damage screws have not loosened, etc. all normal before you can take off again " Functions and features "Wheelbase: 115mm Support battery: 3-4S Endurance: about 5 minutes Remote control distance: about 400 meters (FLYSKY remote control), about 100 meters (Literadio2 se remote control)" Configuration "Paddle: 2540 Motor: 1204 5200kv ESC+flight control: 40A+F411 Picture transfer: 0-300mw Camera: 1200TVL 1.8mm lens Battery: 3S 450mah 80C" Q&A Please refer to our pictures to choose the required combination, all parts are sold separately in our store and you can add as spare. If you have any questions, please feel free to contact us.