Item Type: Infrared Photoelectric Switch_x000D_ Material: ABS_x000D_ Interface: USB_x000D_ Cable Length: Approx.2m / 6.6ft1Function: USB reflective photoelectric switch, can macro define mouse and keyboard, free your hands. 2Multi System Compatibility: Provide for Windows based key definition settings, software settings can be used for a variety of systems (for Windows, for OS, for Android, for Linux). 3Wide Application: Small size, widely used in games, offices, recording studios, assembly line machinery and equipment, etc. 4Convenient Use: The sensor features less interference from visible light, simple installation, and convenient use. 5Photoelectric Sensor: This photoelectric sensor integrates the functions of transmission and reception. After installation, the sensor is usable.1 x_x000D_ _x000D_ InfraredPhotoelectricSwitch