[Power Saving]: The upgraded LED light doorbell button is more energy efficient and visually appealing compared to standard doorbell switches. The green illumination is easy to locate in the dark. [Widely Used]: This illuminated doorbell button switch is universally compatible with most low-voltage buzzer systems. It serves as a reliable replacement for older garage door openers or doorbell switches. [Material]: Constructed with a durable doorbell cover that resists cracking and deformation. The internal components include a high-quality copper plate, ensuring long-term performance for wall-mounted installations. [Easy to Install]: This 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 mounts without requiring additional drilling when replacing older models. Color: Black Material: Plastic Package Contents: 1 x Doorbell Note: Light reflection and display settings may cause slight variations between the product color in images and the actual item. Measurement tolerance is +/- 1-3 cm.