Features:_x000D_ _x000D_ Made of flame-retardant ABS material, durable in use. _x000D_ The top cover is equipped with sealing rubber strip, which is dust-proof, waterproof, anti-aging and partially resistant to corrosion. _x000D_ Various types of button switches can be installed inside it. _x000D_ It can be mounted directly on a wall or equipment for field control and signal indication. _x000D_ Exquisite appearance design, easy to install and maintenance. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% brand new_x000D_ Material: ABS_x000D_ Weight: 169g/6oz_x000D_ Hole Size: 22mm/0.9inch_x000D_ Color: Yellow, White (Optional)_x000D_ _x000D_ Package List:_x000D_ 1* Switch Box 1Made of flame-retardant ABS material, durable in use. 2The top cover is equipped with sealing rubber strip, which is dust-proof, waterproof, anti-aging and partially resistant to corrosion. 3Various types of button switches can be installed inside it. 4It can be mounted directly on a wall or equipment for field control and signal indication. 5Exquisite appearance design, easy to install and maintenance.