After installing the propeller guard on your Mini 4 Pro, obstacle avoidance and autonomous functions will be disabled. When the drone detects obstacles, it 't automatically reroute or brake, highlighting the need for manual control during flight. Do not use the Intelligent Flight Battery Plus with the Mini 4 Pro once the propeller guards are installed. The additional weight may overload the drone's capabilities, posing risks to flight safety and operational integrity. Package includes one set of Propeller Guards specifically designed for Mini 4 Pro. these guards are attached properly to avoid any interference with propeller functions and to maintain optimal security during operation. Comprehensive Protection: fully encapsulate your drone's blades, protecting them from damage due to impacts. perfect for indoor and outdoor flights, especially in obstacle-rich environments. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Black Material:ABS Package Contents: 1 x Propeller Guard kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.