Kidde Wireless Hardwired Smoke Detector, 10-Year Battery Backup, Voice Alerts, Photoelectric Sensor Wire-Free Interconnect Combination Alarm - 21027323

• UPC   047871273232
• Photoelectric sensor technology senses visible fire particles, associated with smoldering fires, while an electrochemical sensor senses carbon monoxide Smoke alarm operates on a 120V wired power source with a 10-year sealed lithium battery backup Voice Alarm & an 85-decibel alarm announces a hazard when detected: “Fire!” = smoke or fire, "Warning! Carbon Monoxide!", or "Replace Alarm" when the alarm has reached its end-of-life span Enables extension of coverage & protection without any need for additional wiring Ambient Light Sensing feature establishes a day/night cycle and prevents late-night battery chirps in dark conditions LED warning light indicators alert you to various statuses: a green light indicates the unit is in proper working operation, an amber light indicates an operating error, and a red light indicate smoke or fire Interconnection capability: allows you to connect up to 24 Kidde smoke, heat, or CO alarms, with the possibly it interconnect 6 strobe lights or relay modules UL Certified, 10-year limited manufacturer warranty Compatible with RemoteLync Bridge - Connect to the Kidde app for additional features and benefits, Weight: 0.6 Pounds, Manufacturer: Kidde