The X-Sense 5 Pack Smoke Alarms are battery-powered and come with a 10-year lithium battery, ensuring long-lasting protection for your home. These white smoke alarms feature an LED indicator and photoelectric sensor technology, making them reliable and efficient in detecting smoke. With a manufacturer warranty of 10 years and a stylish standalone design, X-Sense smoke alarms are a trusted choice for enhancing your home security system. Made with ABS material, these smoke alarms are durable and built to last.