Features: Experience precise and control with this Hall effect sensory trackball module, featuring 360 degree omnidirectional navigation and contactless magnetic technology for durability. With 3.3V/5V compatibility, 11Pin, and low power consumption, this PCB module integrates seamlessly into systems. Ideal for electronics enthusiasts, robotics engineers, and developers creating input devices, industrial control panel, or accessibility tools requiring navigation. Perfect for portable equipment where smooth 360 degree control and sensory accuracy are critical. Combining Hall effect technology with multidirectional movement, this trackball module delivers industrial in developer friendly packaging for modern electronics projects. Specifications: Component:PCB Size: Approx.28x20mm/1.1x0.78inch Working: 3.3V/5V Package Includes: 2 Optional Package: Package 1 Include:1Pc Trackball sensory Module Package 2 Include:3Pcs Trackball 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.