KKmoon LCD Display CO Detector Carbon Monoxide Alarm Sensor Poisoning Smoke Gas Tester Monitore Sound & Flash Warning Detector

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KKmoon LCD Display CO Carbon Monoxide Alarm Sensor Poisoning Smoke Gas Tester Monitore Sound & Flash Warning Detector

This product is carbon monoxide detector with LCD display. You can easily see the real carbon monoxide level from the screen.When concentration of the leaked carbon monoxide reaches alarm level, the detector LED flashes red and buzzer gives out alarm sounds.This product can be well used in kitchen,bathroom and other places that may produce carbon monoxide.

*LED display with blue back ground light,easy to read.
*Loud alarm sound,the alarm volume reach 85dB.
*Power saving feature:the alarm sound pattern is 4 beeps every 5 seconds for the first 4 minutes. 4 minutes later,it will change to 4 beeps every minutes to save the battery power.
*High reliability sensor design, effectively detect the real-time CO gas and remind people.
*The alarm sound pattern is four short alarm beeps,the red LED will flash while in alarm mode.
*One“chirp”every 30 seconds is an indication that the battery is low and need to be replaced.
*Test/Reset button to test the unit electronics and verifies proper unit operation and reset the unit during CO alarm.
*Green and red LED lights that indicate normal operation and alarm status.
*3 digits LCD display is optional. “Err”indicate the unit is malfunctioning; “Lb”indicate it low battery; “999ppm”indicate CO level over 999ppm.
*Compact, lightweight & easy to operate.

Power Supply: 3*1.5V AA batteries(not included)
Sensitivity/Alarm Time:
50 ppm, Within 60~90 minutes;
100 ppm, Within 10~40 minutes;
300 ppm, Within 3 minutes
Static Current: <50μA(without LCD);<50μA(with LCD)
Alarm Current: <75mA
Alarm Volume: 85dB
Operation ambient: 0°C-45°C
Environment Humidity: 20~95%R.H
Low Battery Warning: “Lb” on the LCD display
Item Size: Approx. 9.5*9.5*3.3cm(L*W*H)
Item Weight: Approx. 87.8g/3.1oz

Package Information:
Package Size: Approx. 10.8*10.2*4cm/4.25*4*1.6in
Package Weight: Approx. 119g/4.2oz

Package List:
1* Carbon Monoxide Alarm Sensor(battery not included)
1* Bag of Mounting Screws
1* User Manual(English)


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of . (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://besthomeelectronics.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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