【450mm UAV Platform】F450 is a standard and universal 4-axis drone that is highly scalable and can fit a wide range of application scenarios. 【Pixhawk Included】Pixhawk is one of the most powerful open source autopilot controls, and it provides a rich interface and room for expansion. 【Branded Parts】We use parts from brands for stable and reliable quality. Free replacement for quality problems within 3 months. 【Pre-soldered】The circuit board is already pre-soldered with connectors, so the assembly process is much easier and does not require a soldering iron. 【Newbie Friendly】We offer a drone building guild book and videos to help our users to complete all the work step by step. 【A/B Sets】We offer two sets for users to choose from, depending on whether you need a transmitter and receiver.