Jemay Smoke and Heat Detector,Smoke Detector with Built-in 10 Year Battery for Home,Heat Sensor Alarm with Easy Install and Test Button,AW192,4 Pack

• 2-in-1 Protection: Our smoke and heat alarms use photoelectric technology as well as heat-sensitive detection. It can more accurately detect smoke and heat that are not conducive to people’s safety, and double protect your life
• Test/Mute: The smoke detector includes a Test/Mute button. You can use this button to test whether the detector is normal every month. When the alarm has a false alarm/failure alarm, you can press the mute button to cancel the alarm
• 10 Years Built-in Battery: The smoke alarm is powered by a 3V battery (included), unaffected by power outages. No more hard wiring, solve the trouble of frequent battery replacement
• Works in MultipleORKS Locations: This smoke and heat detector does not contain any radioactive material. Smoke alarms can be installed in every room to keep you and your family safe
• Alarm with LED: This smoke and heat detector has a built-in smart chipset. When the light is red, it means there is an emergency, when the light is green, it means everything is normal