Function: USB reflective photoelectric switch, allows macro definition for mouse and keyboard, helping to free your hands. Multi-system compatibility: Provides key definition settings for Windows; software is compatible with various systems including Windows, macOS, Android, and Linux. Wide application: Compact design, suitable for use in gaming, office environments, recording studios, conveyor belt machines, and other equipment. Convenient use: Sensor has low interference from visible light, enabling easy installation and reliable performance. Photoelectric sensor: Integrated transmission and reception functions; ready to use after installation. Item Type: Infrared Photoelectric Switch Material: ABS Interface: USB Cable Length: Approx. 2m / 6.6ft Package Includes: 1 x Infrared Photoelectric Switch Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect items, please immediately. We are committed to providing excellent after-sales support.