Features: The PMW3901 flowing sensory delivers professional motion detection for drones and robotics using PixArt's far field optics technology. Featuring a 2000FPS frame rate, this low power sensory integrates seamlessly via SPI while requiring noT lens adjustment, making it ideal for dynamic environments demanding real time responsiveness. Designed for drones enthusiasts, robotics engineers, and industrial automation developers seeking positioning in systems or mobile platforms. Enables stable flight in denied areas, supports obstacle avoidance for aircraft, and provides accurate position tracking for automated guided vehicles in warehouses or manufacturing facilities. Ensuring across diverse applications, from hobbyist UAV projects to commercial grade autonomous navigation systems. Specifications: Component:ABS Size:Approx.25.5x33.4mm/1.31x1inch Package Includes: 1 Set Optically flowing sensory Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.