Visit the TOPTES Store

TOPTES Carbon Monoxide Detector CT-300, Handheld CO Alarm with Backlit LCD Display and Audible Visual Alerts, for Home, Car, Camping and Travel

4.5 stars out of 16 reviews
(4.5)|
16 ratings

Key item features

  • Accurate Detection: Utilizes an advanced electrochemical sensor for quick and reliable carbon monoxide detection from 0 to 5000 PPM.
  • Dual Alerts: Features a loud 85 dB audible alarm and a tri-color backlit LCD for clear visual warnings of dangerous CO levels.
  • Portable Design: Compact and lightweight with anti-slip edges and a rugged ABS+PC housing, suitable for various environments.
  • Versatile Use: Ideal for home, car, camping, and travel, providing safety from carbon monoxide wherever you go.
  • Efficient Power: Powered by AAA batteries with a low battery indicator and auto shut-off to conserve battery life.
Generated by AI
Current price is $45.99
Price when purchased online
  • Free shipping
  • Free 90-day returns
Walmart Protection Plan by Allstate

(Only one option can be selected at a time)

How do you want your item?

Try 30 days of Free Shipping with Walmart+! Choose plan at checkout.
How do you want your item?
Columbus, 43215
Arrives by Mon, Apr 13
.
Order within 1 hr 38 min
Sold by Toptes DirectPro Seller
Fulfilled by Walmart
4.8604651162790695 stars out of 5, based on 86 seller reviews(4.9)
Report an issue with this seller
Free 90-day returns
walmart plus

Get free delivery, shipping and more*

*Restrictions apply

About this item

Product details

Specifications

Warranty

Customer ratings & reviews

4.5 out of 5 stars
stars16 ratings8 reviews
How item rating is calculated
  1. 5 stars56% (9)
  2. 4 stars38% (6)
  3. 3 stars6% (1)
  4. 2 stars0% (0)
  5. 1 star0% (0)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 8 reviews

Feb 15, 2026
Betty
Top Reviewer
Sold byToptes DirectDelivered byWalmart
5 out of 5 stars review

Verified Purchase

works great! used it the day it came in, we had a scare with our uncle who was we believe exposed to carbon monoxide so we were able to go through the entire house to make it safe for his return!!! he is an elder and veteran, we take care of our family!!! thank you!! God bless!!!

Incentivized Review
Helpful?3RBEUE7B08MF12491918088
Jan 4, 2026
Dustin
Walmart Associate
Sold byToptes DirectDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Very user friendly and easy to use. Simple ways to test and detect. Happy with purchase and would recommend to others.

Incentivized Review
Helpful?3RBEUE7B08MF12491918088
Feb 17, 2026
Frank
Sold byToptes DirectDelivered byWalmart
5 out of 5 stars review

Verified Purchase

A nice unit and easy to use.

Incentivized Review
Helpful?3RBEUE7B08MF12491918088