Wired networked smoke detector with smoke detector, sound and light, smoke detector siren (pack of 2)

General Description: Smoke detectors are accurate, reliable, and highly sensitive devices that use photoelectric technology to detect smoke. They are particularly sensitive to light smoke and the slow odor of fire, enabling a rapid 24/7 alert. Technical Specifications: Detection Technology: Photoelectric; Alert Type: Audible warning when smoke is detected; Low Battery Indicator: Yes; Compatibility and Accessories: Mounting bracket included for easy installation; Installation requires wiring. Installation: The smoke detector can be easily installed with the included mounting bracket. Wiring is required, and it can be placed anywhere in your home. Usage: It is recommended to test the alarm once a month using the Test button. If smoke or burning particles are detected, the alarm will sound to alert the occupants. Other information: A house fire breaks out every 38 seconds in the United States. Using a smoke detector reduces the risk of death from a home fire by 52%.