Pay in installments of $3.22 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
FireX Hardwire Smoke Detector with 9-Volt Battery BackupThe Kidde i12040 Hardwire interconnectable Ionization Smoke Alarm with Battery Backup can act as a stand alone unit or can be integrated into an existing electrical system. This unit sounds an early warning to alert you and your family of the presence of visible fire particles detected by the alarm's ionization sensor. Powered by 120 Volt AC, this alarm protects you, your home and the people you hold dear even during power outages, thanks to a 9 Volt
The Kidde i12040 Hardwire interconnectable Ionization Smoke Alarm with Battery Backup can act as a stand-alone unit or can be integrated into an existing electrical system. This unit sounds an early warning to alert you and your family of the presence of visible fire particles detected by the alarm's ionization sensor. Powered by 120-Volt AC, this alarm protects you, your home and the people you hold dear even during power outages, thanks to a 9-Volt battery backup. A power harness facilitates an easy installation and a simple push of a button activates this alarm's test and hush features.- Compatible with Kidde, FireX, Code One, and Sentinel products
- 9-Volt battery backup provides protection during power outages
- The Kidde i12040 interconnectable Ionization Smoke Detector Hardwired with Battery Backup can act as a stand-alone unit or can be integrated into an existing electrical system. This unit sounds an early warning to alert you and your family of the presence of visible fire particles detected by the alarm's photoelectric sensor. Powered by 120-Volt AC, this alarm protects you, your home and the people you hold dear even during power outages, thanks to a 9-Volt battery backup. A power harness facilitates an easy installation and a simple push of a button activates this alarm's test and hush features. Shop all here.
- Kidde offers a full range of 120V AC wire-in life safety products with interconnect capability to provide the most immediate and complete system available. When any one interconnected alarm is triggered, all interconnected alarms within the home sound an immediate warning.
- Smoke detector utilizes an ionization sensor to detect fire hazards and sounds an 85 db alarm when a hazard is detected
- Previous Model #: 21006376
- UL/CSFM ref. i12040
- *Check with your state and local fire and Building/Safety codes for specific information regarding smoke & Carbon Monoxide Alarms.
Features
| Item Weight | 0.98 |
| Voltage (volts) | 120 |
| Connector/Contact Type | 2-Wire |
| Fixed or portable | Fixed |
| Alarm/Detector Features | Battery Back-Up,Hush Feature,Interconnected |
| Alarm Type | Smoke |
| Commercial/Residential | Residential |
| Pack Size | 1 |
| Power Source | Hardwired |
| Included | Batteries |
| Returnable | 180-Day |
| Alarm Sensor Type | Ionization |
| Product Height (in.) | 5.6 |
| Product Depth (in.) | 1.55 |
| Product Width (in.) | 5.6 |
| Certifications and Listings | UL Listed |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 17 reviews
Sort
Product Reviews
★★★★★ 5
Comfy and wash well
Size: XX-Large, Color: B004
Very comfortable and breathable; wash and dry well in machines, no shrinkage. Good quality and value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 3
Soft but easily rolls down
Size: X-Large, Color: B004
Comfortable and soft but it kept sliding down, I have a longer torso so that could be why, but I couldn’t get it to stay up, it would constantly roll into my C-section scar
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
★★★★★ 5
Perfect for whatever activity!
Size: Large, Color: B004
I bought these specifically for my postpartum journey, and I still wear them. They are so comfy & a perfect length.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 5
Worth Spending
Size: X-Large, Color: B004
Super comfortable....
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Runs very very small, go up 2 sizes
Runs very very small. I bought a large, I'm 5'6. 160lbs with 36dd and its super tight
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026