Hi - never thought of that...I will check, we used credit card. To answer the other question, these were purchased together as a kit (drone + remote control).
Hi all - we just want to share our disappointment with DJI service and product quality. I went to use the RC after it had been sitting in the case with the Spark for about 4-5 months...we have not used it very often. When I charged the RC, it would not retain battery power. I contacted DJI...