美国采购需求：无人机、遥控无人机、四轴飞行器、遥控四轴飞行器、GPS 无人机、遥控船

I'm looking for a GPS drone that features obstacle avoidance technology. It's essential for me to have a reliable system that can navigate around obstacles during flight, ensuring safety and efficiency in various environments. Additionally, I'd like to know about the different models you offer, including their specifications, pricing, and lead times. It's important for me to understand the capabilities and performance to make an informed decision. Please provide any available details at your earliest convenience.