1.Do I need to replace the alarms I have installed already?
You are not required to immediately replace your current smoke detectors, For safety reasons, it is recommended that you install a reliable 10 year life smoke detectors in house.
2.Are 10 year life smoke detectors more expensive than non-sealed alarms?
Up front? Yes. In the long term? No. Most 10 year life smoke detectors range in price from roughly $22-$31（Of course, contact us, the wholesale price does not exceed 10 US dollars）, making their initial investment higher than a non-sealed alarm, but non-sealed alarms require annual battery changes. The cost of these replacement batteries average $35 over their 10-year life time, meaning they ultimately cost more than the sealed version.
3.Do 10 year life smoke detectors really last 10 years?
Yes they do, the sealed lithium battery (included) will never have to be replaced throughout the life of the alarm, giving you a decade of peace of mind even in the event of a power outage
4.Will I activate the alarm when I’m cooking something?
No. There are 10-year sealed alarms specifically designed for the kitchen with advanced sensors，and with big hush button！