[Power Saving] The upgraded LED light doorbell button is more energy efficient and visually appealing than standard doorbell switches. The green illumination is easy to locate in the dark. [Widely Used] This luminous doorbell button switch is universally compatible with most low-voltage buzzer systems and serves as a suitable replacement for older garage door openers or doorbell switches. [Material] Constructed with a durable doorbell cover that resists breaking and deformation. The internal components feature high-quality copper plates. This wall-mounted door opener is designed for long-term use without frequent replacements. [Easy to Install] The wall-mounted doorbell button measures approximately 2.8 x 0.86 x 0.59 inches (L x W x H) and includes 2 screws with a screw hole spacing of 2.2 inches. Wiring is not included. May fit existing mounting holes when replacing older models, minimizing the need for drilling. Color: Black Material: Plastic Package Contents: 1 x Doorbell Button Note: The package includes only the item listed. Other products are not included. Due to lighting effects and differences in display screens, the color of the item may vary slightly from the images shown. Measurement may vary by 1-3 cm due to manual checking.