Description of π Radiolink F121 FPV Racing Drone: Powerful 121mm Brushed Quad with 3 Flight Modes for Outdoor/Indoor Education & Training (BNF - Receiver Not Included)
Carbon-Fiber plastic. Three Flight Modes: with F120 flight controller which combines Kalman filtering and inertial navigation algorithm allowing F121 with altitude hold (low/high speed) and stabilize mode, low-altitude flight low to 0.32 feet, friendly for newbie and FPV racing training. FPV Training: Come with a 25mW 5.8G image transmission system integrates camera and OSD module, compatible with goggles and monitor, first person view. Long Time Flight: 3.7V 660mAh LiPo battery with strong power and good heat radiation, it can be fly up to 7-10 minutes. Entertaining and Educational: easily disassembled or assembled to practice DIY drone ability. It's a good choice for novice drone education. Flight Protection: with customized propellers protection for training education to give user safe flight protection, free fly in indoor/outdoor.