[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 compatible with most low-voltage buzzer systems. It serves as a suitable replacement for older garage door openers or doorbell switches. [Material]: Constructed with a durable doorbell cover that resists breakage and deformation. The internal components include a high-quality copper plate. This wall-mounted door opener is designed for long-term use without frequent replacements. [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 (wires not included). When replacing an existing button, drilling may not be required. [Color]: Black [Material]: Plastic [Package Contents]: 1 x Doorbell Note: Other items shown are not included. Lighting and display differences may cause slight variations between the product color in images and the actual item. Measurement may vary by +/- 1-3 cm.