You have to pry one side away from the base and then it opens.

First Alert FG250B Dual Ionization Smoke Alarm with 9-Volt Battery

First Alert FG250B Dual Ionization Smoke Alarm with 9-Volt Battery

Q: Does this smoke alarm blink or flash? Looking for one that does not flash or blink to show it is working properly. Thank you.

Yes it does have an LED to ensure the battery is properly connected and supplying power.

Q: Installed and removed plastic tad form battery, red indicator light is on. Where is the "full function test switch"? Unable to test to verify alarm.

Puts the test button, you will get a spoken response on what tone you will hear for fire and a separate one for carbon monoxide. Replace batteries each year at fall time change.

4.5/5

Product ID: 294743469

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Details

Brand
First Alert
Power Source
Battery
Item Weight
0.2 Pounds
Alarm
Audible
Sensor Type
ionization
Global Trade Identification Number

⚡Dual Ionization Sensor for fast smoke detection

🔋9V Battery Included for instant, reliable power

🔒Tamper-Resistant Locking Pin for secure safety

Frequently Bought Together

FIRST ALERT BRK FG250B Dual Ionization Smoke Alarm with 9-Volt Battery, 1", White

FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features

Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

Description

🚨 Stay ahead of danger with smart, secure smoke detection!

SECURE RELIABLE - Tamper-resistant locking pin prevents battery removal, keeping protection intact.
RV APPROVED SAFETY - Compact design meets strict RV safety standards for on-the-go peace of mind.
HASSLE FREE SILENCE - Silence nuisance alarms instantly without compromising safety.
READY OUT OF THE BOX - Includes 9V battery so you’re protected from day one.
RAPID SMOKE DETECTION - Dual ionization chamber ensures early warning to protect your space.

The First Alert FG250B is a compact, battery-powered dual ionization smoke alarm featuring a tamper-resistant locking pin and a silence function to reduce false alarms. It includes a 9V battery and is approved for RV use, delivering reliable, early smoke detection in a secure, easy-to-install package.

Specifications

Brand	First Alert
Power Source	Battery Powered
Item Weight	91 g
Alarm	Audible
Sensor Type	ionization
Global Trade Identification Number	00029054003003
Manufacturer	Jarden Safety
Style	Compact
UPC	029054003003
Country of Origin	USA
Item model number	FG250B
Product Dimensions	10.8 x 10.8 x 4.06 cm; 90.72 g
ASIN	B002RLQZ2M

Have a Question? See What Others Asked

Does this smoke alarm blink or flash? Looking for one that does not flash or blink to show it is working properly. Thank you.

Is the alarm a continuous sound or an intermittent type sound?

HOW TO OPEN

Installed and removed plastic tad form battery, red indicator light is on. Where is the "full function test switch"? Unable to test to verify alarm.

Common Questions

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Good experience, but the tracking updates could be better.

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Fantastic experience overall. Will recommend to friends and family.

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