Features: *Sturdy Material:This doorbell button is made of metal material, ensuring its durability and waterproof properties. It is a great replacement for old, yellowed, and cracked plastic buttons. *Upgraded LED Light:The LED light on this doorbell button is always lit, providing visibility even after dark. It works on low voltage and does not get hot or burn out like bulbs, ensuring long-lasting performance. *Classic Wall Mounted Design:This doorbell button features a classic design that is suitable for front doors. Its timeless style adds a touch of elegance to your home's entrance. *Easy Installation:If used as a replacement doorbell button, drilling may not be necessary, as the distance between the screw holes is 1.5 inches. Bell wire is not included. *Temperature Tolerance:With a temperature tolerance of -4 to 240 degrees Fahrenheit, this doorbell button can withstand various weather conditions without compromising its functionality. Specifications: *Product Name:Round Metal Doorbell Push Button *Material:Metal *Size:About 1.5 inches(distance between two holes) *Color:Black Installation precautions: Red+is the positive pole Voltage range: DC12-24V Package Content: 1 * Doorbell Push Button Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.