Turn your Clocks Ahead and Check your Smoke and CO detectors - Fire Department - City of Cambridge, Massachusetts
![City of Philadelphia on X: "When you turn your clocks forward, check your smoke alarms! If they still use 9-volt batteries, replace them with smoke alarms that use 10-year, sealed lithium-ion batteries. City of Philadelphia on X: "When you turn your clocks forward, check your smoke alarms! If they still use 9-volt batteries, replace them with smoke alarms that use 10-year, sealed lithium-ion batteries.](https://pbs.twimg.com/media/FqyI7e2agAEk-kL.jpg)
City of Philadelphia on X: "When you turn your clocks forward, check your smoke alarms! If they still use 9-volt batteries, replace them with smoke alarms that use 10-year, sealed lithium-ion batteries.
![Change Your Clocks and Check Your Smoke and CO Detectors; State Fire Marshal Urges Replacing Batteries and Checking Expiration Dates - The Beacon Change Your Clocks and Check Your Smoke and CO Detectors; State Fire Marshal Urges Replacing Batteries and Checking Expiration Dates - The Beacon](https://www.thebeacon.net/wp-content/uploads/2022/11/blobid0_1667305013376.png)
Change Your Clocks and Check Your Smoke and CO Detectors; State Fire Marshal Urges Replacing Batteries and Checking Expiration Dates - The Beacon
Everyone please check your smoke detectors are less than 10 years old. The date of manufacture can be found on the back of the detector. If it is older... | By Seguin
![Change Your Clock - Check or Change Your Smoke Detector - Rockville Volunteer Fire Department - Rockville, Maryland Change Your Clock - Check or Change Your Smoke Detector - Rockville Volunteer Fire Department - Rockville, Maryland](https://rvfd.org/wp-content/uploads/2014/04/Clock-300x150.jpeg)