Keep your family safe and secure with these three smart electrician smoke alarms. These alarms are designed to detect smoke and sound an 85 dB warning to alert you of potential danger. They are powered by a 9V battery, and with three alarms included, you can ensure your entire home is protected. Featuring a test button, warning chirp, mounting bracket, and tamper-resistant pin, these smoke alarms are easy to install and maintain. They come in a sleek white color and are made by the trusted brand Kidde. With battery included and no additional custom bundle or listing, these smoke alarms are a must-have for any home.