This electronic part is a rotary band switch manufactured by ALPS. It has three poles and eighteen positions, and it is RoHS compliant. The switch is designed to be easily plugged into compatible circuits and applications, and features a simple design that is reliable and long lasting. It is suitable for use in a wide range of electronic devices and appliances, and is easy to install. The switch is also resistant to dust and water, making it suitable for use in challenging environments.