Features Flame-Retardant Material: Made of flame-retardant ABS material, ensuring long-lasting use and safety in various environments. Superior Protection: The top cover features a ing rubber strip, providing dust-proof, waterproof, anti-aging, and partial corrosion resistance, safeguarding the internal components. Versatile Compatibility: Accommodates various types of button switches, offering flexibility for different control needs. Flexible Mounting Options: Can be conveniently mounted on a wall or equipment for field control and signal indication, enhancing accessibility and usability. Easy Installation and Maintenance: Boasts an exquisite appearance design, facilitating hassle-free installation and maintenance for user convenience. Features: 1、Made of flame-retardant ABS material, in use. 2、The top cover is equipped with ing rubber strip, which is dust-proof, waterproof, anti-aging and partially resistant to corrosion. 3、Various types of button switches can be installed inside it. 4、It can be mounted directly on a wall or equipment for field control and signal indication. 5、Exquisite appearance design, easy to install and maintenance. Specification: Features: Made of flame-retardant ABS material, in use. The top cover is equipped with ing rubber strip, which is dust-proof, waterproof, anti-aging and partially resistant to corrosion. Various types of button switches can be installed inside it. It can be mounted directly on a wall or equipment for field control and signal indication. Exquisite appearance design, easy to install and maintenance. Specification: Condition: 100% brand new Material: ABS Weight: 169g/6oz Hole Size: 22mm/0.9inch Color: Yellow, White (Optional) Package List: 1* Switch Box Package List