Package Included: You will get 1pc of led lighted doorbell push button and 2 screws.General designs makes it suitable for most door chimes. Great Component: The door Bells button is Produced of good-quality metal,which is strong and long-Service,smooth and not easy to break,waterproof and weather and will not getting yellow easily in the sunlight.It can with stand the temperature between -20°C/-4°F to 45°C/113°F. Easy to Use: Just bend wire on both side of the transfers firstly; then,unscrew the screws on the back to wrap wire and tighten wire; next,install the doorbell button on suitable wall location with matching screws (Installation holes need to be reserved); lastly,turn on button,and it will light up. Practical Tool: Our door Chimes button is great for low Voltages ringing Systems as Suitable replacement for most doorbell switches at house or garage.When installing new doorbell button,use the same wiring as your old doorbell button. Wide Application: The doorbell button can be installed on most,such as stucco wall wood wall,brick wall,Stones wall.It's essential helper for your each day life.