Precaution: 1. Do not modify any parameters and wiring without knowing the flight control and remote control. 2. The product is already welded, you only need to assemble it, and bind the receiver with the transmitter, then could fly. 3. Do not charge the battery when you are not at home. Do not charge the battery immediately after flying. Do not over-discharge the battery.(Over-discharge may cause the battery to be charged and become obsolete.) If the battery is fully charged, it may not be charged for a long time. 4. Turn on the remote control before powering the aircraft. After the flight is over, unplug the power supply and turn off the remote control to prevent accidents. 5. You can fly it in open space when there is no wind, do not fly in the crowd and surrounding areas with interference. 6. If the customer needs to assemble, we will give a reasonable quotation for additional logistics freight and technical assembly fees. 7. This product is not a toy and is not suitable for children under 14 years old. 8.If you are a beginner, it is recommended to be assisted by experienced adults. | Smartphone Case Expansion Frame for iPhone 12 /12 Pro | |||||||