Smoke detector with built-in 10-year 3-volt lithium power cell Ionization sensor for efficient smoke detection Tamperproof design prevents batteries from being removed

EXPERIENCE ULTRA HD & DUAL BAND - Observe high-quality footage on this dual band 5ghz/2.4ghz WiFi security camera with the latest Sony image sensor, Ambarella chipset and UltraHD 3MP resolution (2304x1296p). A wide 90° viewing angle allows you to see more detail and cover more ground to keep more of what you love safe. SMARTER, SAFER SECURITY - Utilize intelligent alerts that send notifications to your computer or smartphone via the Amcrest View app. This wireless camera records events as soon as they happen and stores them on an Amcrest NVR, Synology/QNAP/WD NAS, FTP, Blue Iris or Amcrest Cloud. ALWAYS RELIABLE - With pan tilt, digital zoom, and IR night-vision up to 32 feet, you can keep the people and places you love safe 24/7. Communicate using two way audio with the built-in speaker and microphone to talk to your children, pets or potentially scare off a burglar. Always stay in the know by recording at specific times based on your preference.