[Solid Retro Material]: this doorbell button is made of solid metal material that is waterproof; Tolerance temperature: -4 to 240 degrees Fahrenheit; A good replacement for your old, yellowed, cracked plastic button
[Bright LED Light]: the upgraded LED light doorbell button is lit 24 hours a day and work on low voltage; Provide visibility after dark and your visitors will not spend time looking for your doorbell; It does not get hot or burn out like bulbs
[For Front and Back Doors]: wall mounted doorbell button switch with light is classic design that can be applied for front doors
[Simple Installation]: the package comes with mounting screw holes and may not need to be drilled if applied as a replacement doorbell button (the distance between the screw holes is 1.5 inch); Bell wire is not included
[Warm Note]: if you use a digital ringtone (play the melody; Speakers with sound), diodes are required (not included); If you are using a mechanical doorbell ring (2 note sound; Like a mallet hitting a metal bar), no diode is needed