【450mm UAV Platform】F450 is a standard and universal 4-axis drone that is highly scalable and can fit a wide range of applications. 【Pixhawk Included】Pixhawk is one of the most popular open source autopilot controls, and it provides rich interfaces and good 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, 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.