There might be some deviation due to manual measurement.
Notice: The phone in the picture is not included. This RC model is not a toy and is not suitable for children under 14 years old. Carefully read the instruction before any use, if you are a beginner, it's advisable to be assisted by an experienced adult.
Caution for the battery: Don't over-charge, or over-discharge batteries. Don't put it beside the high temperature condition. Don't throw it into fire. Don't throw it into water.