Features: Experience precise speed measurement with our high accuracy Drones Speedometer, to provide flight data enhancing performances analysis. Featuring a user friendly designing, this speedometer is easy installation and for various Drones brands, ensuring seamlessly integration and improved model performances. For Drones enthusiasts, model manufacturers, competition participants, and educational institutions to enhances their understanding and skills in UAV technology. Perfectly for outdoor flight tests, race preparation, model demonstrations, and research projects, offering valuable insight into Drones speed and performances. With its lightweight ABS construction and durability, this speedometer withstands outdoor challenge while maintaining flight stability, making it essential accessory for drones. Specifications: Item: Speed Detector Speedometer Component： ABS Size:about 67x33x21mm/2.64x1.3x0.83in Support Type C Charging Package Includes: 1PC Speed Detector Speedometer note: Due to the problemsof lighting effects, there will be tolerances in product, please understand. Please allow 0-1cm error due to manual measurement