Features IP65 Dust and Water Proof: Ensures reliable performance in harsh environments, providing protection against dust and water, making it suitable for a wide range of applications. High-Grade Appearance: The stainless steel shell enhances durability and gives the button switch a premium look, while the smooth offers a comfortable touch, adding a touch of sophistication to any setup. 4-Pin Control: Featuring 1 normally open, positive and negative, and 1 common pin, providing and efficient control for various electrical applications. Compact and Stable Design: The compact and practical design ensures stable and reliable , making it ideal for space-constrained installations while maintaining consistent performance. Clear Indication Light: The equipped light provides clear and distinct indication, enhancing usability and visibility in various operating conditions. Features: 1、IP65 dust and water proof,suitable for harsh environment. 2、With stainless steel shell,the button switch has high-grade appearance and good touch. 3、With 4 pins for control,including 1 NO,positive and negative and 1 common. 4、Compact and practical design make it work more stable. 5、Equipped with a light for indication,clear and distinct. Specification: Item Type:Button Switch Mounting Diameter:22mm / 0.87in Rated Voltage:220VAC Illumination Color:Red/Green/Yellow/Blue/White(Optional) Contact Structure:1NO Housing Material:Stainless Steel Package List: 2 x Switch Package List 2 x Switch