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2nd Gen Plug-in Carbon Monoxide Detector with LED Display, Battery Backup 3-in-1 CO Sensor US Plug(Non-Smart)

$25.99–$48.99$75.98Save 66%

In stock at moeshouse.com

The MOES 2nd Gen Plug-in Carbon Monoxide Detector uses an electrochemical sensor rated for up to 10 years and shows CO, temperature, and humidity on an LED screen. It alarms at 85 dB or more with a light, and a 1000mAh battery covers outages. It's non-smart, $25.99 for one or $48.99 for two.

Shop now at Moes →Code ALEKSANDRBODNAR

See all 259 Moes products·Visit moeshouse.com

Version
US Plug
Pieces
1 PC · 2PCS(Better Value)

Price and stock from moeshouse.com, refreshed daily. We may earn a commission if you buy.

Highlights

  • Electrochemical CO sensor, up to 10-year service life
  • CO, temperature, humidity display
  • ≥85 dB alarm plus visual warning
  • 1000mAh backup battery
  • Plug-in, portable

Best for

Travelers and renters wanting a simple CO alarm they can carry room to room.

Things to consider

  • CO only: no smoke or gas detection
  • Non-smart
  • No certification named in the listing

Key specs

Price$25.99 (1) / $48.99 (2)
ModelNA503B
CO range0-999 ppm (±10%)
Alarm threshold49 ppm default
Temp range14°F to 122°F
Size125.5 x 60.5 x 36.3 mm (excl. plug)

Our take

An affordable portable CO alarm with a long sensor life.

2nd Gen Plug-in Carbon Monoxide Detector with LED Display,… at a glance

BrandMoes
Price$25.99–$48.99 (was $75.98)
TypeSmart Security
Options1 version, 2 pieces
AvailabilityIn stock at moeshouse.com
CouponALEKSANDRBODNAR
Returns60-day window from delivery, but only for new, unused items with all packaging. Wrong…

Price check

At $25.99, the 2nd Gen Plug-in Carbon Monoxide Detector with LED Display,… is mid-range for Moes, whose 259 listed products run $4.99 to $559.99.

It's currently 66% below its listed price of $75.98. Sale prices can end without notice, so check the live price before you order.

Similar items from other brands we track run $15.96 to $99.99.

Buying from Moes

MOES is a smart buy for DIY smart-home builders who already use Tuya, Smart Life, Zigbee or Matter and want switches, sensors and blind motors for far less than name-brand equivalents. Skip it if you want hassle-free returns, since change-of-mind returns aren't accepted, or if you need gear fast, since standard orders ship from China. Before ordering, confirm the US or EU version, whether a neutral wire is required, and whether you need a hub.

Shipping
Ships worldwide, mostly from China. Free standard shipping over $29.90 ($5 below that) and free express over $299; US e-Packet orders usually take 7 to 21 business days after 2 to 4 days of processing.
Returns
60-day window from delivery, but only for new, unused items with all packaging. Wrong items get free returns; change of mind, ordering by mistake or disliking the color or quality are not eligible or are at your cost.
Payment
PayPal and credit cards.

Read our full Moes review and shop all products →

Frequently asked questions

How long does the MOES CO sensor last?
The listing rates the sensor for up to 10 years of service.
Does it detect smoke?
No, this model detects carbon monoxide only.
Is the 2nd Gen Plug-in Carbon Monoxide Detector with LED Display,… on sale?
Yes. Moes lists it at $25.99, down from $75.98 (66% off). Sale prices change, so confirm the live price on moeshouse.com.
Is there a coupon code for the 2nd Gen Plug-in Carbon Monoxide Detector with LED Display,…?
Moes's store-wide code ALEKSANDRBODNAR can be entered at checkout on moeshouse.com. Moes sets the discount, and some items or sale prices may be excluded.
What is Moes's return policy?
60-day window from delivery, but only for new, unused items with all packaging. Wrong items get free returns; change of mind, ordering by mistake or disliking the color or quality are not eligible or are at your cost.
How long does Moes take to ship?
Ships worldwide, mostly from China. Free standard shipping over $29.90 ($5 below that) and free express over $299; US e-Packet orders usually take 7 to 21 business days after 2 to 4 days of processing.
What options does the 2nd Gen Plug-in Carbon Monoxide Detector with LED Display,… come in?
Version: US Plug. Pieces: 1 PC, 2PCS(Better Value).
Where can I buy the 2nd Gen Plug-in Carbon Monoxide Detector with LED Display,…?
The 2nd Gen Plug-in Carbon Monoxide Detector with LED Display,… is sold directly by Moes on moeshouse.com. The Shop now button on this page goes straight to the product there, and code ALEKSANDRBODNAR can be applied at checkout.
Is the 2nd Gen Plug-in Carbon Monoxide Detector with LED Display,… in stock?
Yes. Moes lists it as in stock on moeshouse.com as of our latest check. Stock and prices refresh throughout the day.
Is Moes a legit store?
MOES is a smart buy for DIY smart-home builders who already use Tuya, Smart Life, Zigbee or Matter and want switches, sensors and blind motors for far less than name-brand equivalents. Skip it if you want hassle-free returns, since change-of-mind returns aren't accepted, or if you need gear fast, since standard orders ship from China. Before ordering, confirm the US or EU version, whether a neutral wire is required, and whether you need a hub. Our full Moes review covers shipping, returns and what to check before ordering.
Is the 2nd Gen Plug-in Carbon Monoxide Detector with LED Display,… expensive?
At $25.99 it is mid-range for Moes ($4.99 to $559.99 across 259 products), and similar items from other brands run $15.96 to $99.99.

More from Moes

Shop all Moes →

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