Sunnylife Propeller Lock N4P-SJ711-C for Mini 4 Pro in Orange Sunnylife N4P-SJ711-C is a propeller lock designed to keep the DJI Mini 4 Pro drone secure during transport. The lock immobilizes the propellers to prevent them from breaking, and its base protects the lower vision system from scratches and impacts. Installation Installing the lock is incredibly simple - just place the drone in the lock and fasten the strap. It is made of silicone, which prevents scratches. Specifications Brand Sunnylife Model N4P-SJ711-C Color Orange Weight 16g Materials Plastic, silicone