SITERWELL Smoke Detector Fire Alarm with Magnetic Fastening Kit and Built-in Battery, Fire Safety with Photoelectric Technology

certified SafeThe smoke detector has passed UL certification, product quality is guaranteed The smoke alarm dont contain any radioactive material and wont cause harm to humans body Humanized Designoud>85dB makes everyone in the house can hear the alarm clearly when the smoke alarm is chirping If low battery there will be a signal alarm, which informs you to change a new battery Test ButtonThe smoke detector is easy to test by pressing the button for more than 5 seconds Dont test by open fire, it will damage the alarm or ignite combustible materials and cause structure fire Easy InstallationThe smoke detector is operated with 1 year 9V battery There are adhesive magnetic pads in the box to help you install the alarm easily on ceiling or wall in seconds, without worrying about the size, mounting plate and rewiring 10-Year ProtectionThe smoke alarm can be used for 10 years Working smoke detector cut the risk of dying in a home fire by 50% while a home fire starts every 83 seconds The faster you realize a fire warning, the more time to escape from the fire