65mm Indoor unmanned aircraft assembly video
https://www.xt-xinte.com/JMT-DIY-65MM-Brushless-Whoop-Indoor-FPV-Racing-Drone-RC-Quadcopter-Combo-Kit-With-F4-Flight-Control-5-8G-VTX-Turbo-Eos2-Camera-SE0603-SE0802-Motor-F4-1-0-F4-2-0-Optional-Support-Customization-p578067.html