[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 illuminated doorbell button switch is universally compatible with most low-voltage buzzer systems and serves as a reliable replacement for older garage door openers or doorbell switches. [Material]: Constructed with a durable doorbell cover that resists breakage and deformation. The internal components feature high-quality copper plates. This wall-mounted door opener is built to last and does not require 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. Note: Wires are not included. When used as a replacement, drilling may not be necessary. [Color]: Black [Material]: Plastic [Package Contents]: 1 x Doorbell Note: The package includes only the items listed above. Other products are not included. Note: Lighting conditions and display settings may cause slight color variations between the product image and the actual item. Measurement error allowance is +/- 1-3 cm.