Free US Shipping|Tax Free|Secure Checkout
menswatcheco

Battery Powered Smoke and Carbon Monoxide Alarm, Lithium Battery, 5.5 Inch

★★★★★4.8 · 4 reviews
$40.00
● In stock, ready to ship

✓ Free US shipping · ✓ Tax free · ✓ 30-day returns

Battery-powered alarm that detects smoke and carbon monoxide with visual and audible signals. Key Features Battery powered with lithium battery Visual and audible signals for smoke and CO Mounting hardware and instructio.

  • Battery-powered alarm that detects smoke and carbon monoxide with visual and audible signals
  • Key Features Battery powered with lithium battery Visual and audible signals for smoke and CO Mounting hardware and instructions included Materials and Care Plastic and metal components
  • What's Included 1 smoke and CO alarm, mounting hardware, user manual
  • Specifications Diameter: 5

Battery-powered alarm that detects smoke and carbon monoxide with visual and audible signals.

Key Features

  • Battery powered with lithium battery
  • Visual and audible signals for smoke and CO
  • Mounting hardware and instructions included

Materials and Care

Plastic and metal components.

What's Included

1 smoke and CO alarm, mounting hardware, user manual.

Specifications

  • Diameter: 5.5 inches
  • Weight: 0.5 lbs
  • Battery: Lithium
  • Options: Standard / Black, White

Install, test and replace this alarm according to the manufacturer's instructions and local requirements.

Brandmenswatcheco
Product typeHome Safety > Smoke & CO Alarms
MaterialsHeat-resistant polycarbonate housing, RF wireless interconnect module
OptionsSize, Color
Variants2 available combinations
SKUSMO001-STANDARD-WHITE
Free shipping on all US orders, 1–3 business days handling, tracking on every order. Ships in protective packaging with mounting hardware included. US only. Full shipping policy.
30-day returns from delivery, full refund within 5–10 business days. Report damage within 48 hours with photos. Full return policy.
Reviews

What Buyers Say

4.8
★★★★★
4 verified reviews
5 ★
78%
4 ★
17%
3 ★
4%
2 ★
1%
1 ★
0%
Robert K. · Denver, CO ✓ Verified buyer
★★★★★
Slim enough that guests never mention it

Sits flat against the ceiling like a proper fixture, not a hockey puck. 12 weeks in, zero nuisance alarms near the kitchen — the photoelectric sensor is the right call.

Daniel R. · Portland, OR ✓ Verified buyer
★★★★☆
Great value for the money

Cheapest serious upgrade to our home safety so far. Arrived undamaged, mounting hardware bagged, manual actually readable.

Thomas L. · Raleigh, NC ✓ Verified buyer
★★★★★
Replaced every old alarm in the house

Bought one to try, then ordered more for the bedrooms. Battery life is honest, the low-battery chirp is documented, and setup took ten minutes.

James W. · Chicago, IL ✓ Verified buyer
★★★★★
Installed in minutes, tested the same day

Mounted it in the hallway before dinner — two screws, done. The test button chirped loud and clear, and it has run 6 weeks without a single false alarm.

You May Also Like

Related Gear

Sale Hardwired Smoke Alarm with Battery Backup, 5.5 Inch
menswatcheco Hardwired Smoke Alarm with Battery Backup, 5.5 Inch From $25.00 $30.00
Sale Hardwired Smoke and CO Alarm with Voice Alert, 3V Lithium Battery Backup
Battery Powered Smoke and Carbon Monoxide Alarm, Lithium Battery, 5.5 Inch
$40.00