SAFE-TECH Standalone CO Alarm with Screen

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Living and Home
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Smoke & Carbon Monoxide Detectors
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  • Carbon Monoxide Sensor ONLY
  • 4 x AA battery (included, replaceable)
  • LCD display, Voice alarm
  • Electrochemical CO Sensor
  • EN50291-1:2008 Standard
  • Low Voltage Standby
Model No: AJ-833
Are in conformity with the provisions of the:
Construction Products Regulation (EU) No. 305/2011
of the EUROPEAN parliament and of the Council of 9th March 2011
Regulation (EU) No: 2014/53/EU
Applied Standard: EN 50291-1:2018
with this new design, A digital Screen continuously displays the level of carbon monoxide present.
Clear English Voice alarm, visible status indications LEDS (Power. Normal, Fault) and LCD digital display (Low battery, fault, and alarm, Carbon Monoxide)
Button for test and mute: Test the detector and mute the detector during an alarm.



Power Source: 4 x AA battery (included, replaceable)

Battery Life: 2 Years*

Product Life: 10 Years*

Type of Sensor: CO-Electrochemical

Detect: Carbon Monoxide

Standby Working Current: <30uA

Wake up cycle: 12 seconds

Low voltage threshold: -10°C~+50°C

Relative Humidity: 5.6V

CO Alarm Density:

  • 50ppm alarm do not activate, within 120 minutes,
  • 50-100ppm, alarm within 80 minutes,
  • 100-300ppm, alarm with 30 minutes,
  • 300ppm, an alarm within 50 seconds

Sound Intensity: ≥85dB/ 3m

RF Distance: >25m

Executive Standard: EN50291-1: 2018

Product Dimensions/Weights: 12.8 x 7.4 x 3.8 cm; 5.04 x 2.91 x 1.5 inch, 280 Grams

Package Content

1 x AJ-833* Standalone Carbon Monoxide Alarm
4 x AA Battery Included
1 x Wall Mounting Bracket
2 x Screws with Wall Plugs
1 x User Manual

* Battery life may vary based on the configuration, application usage, power management settings and features utilized.
* We try to get you the best quality photo and size. However, all pictures shown here are for illustration purposes only. Actual product size and colour may vary slightly.

Shipping Policy

We are able to UK wide shipping options through long term partnerships with UPS, Yodel, Parcel Force, DPD, FedEx, DHL and other leading UK carriers. Professional warehouse personnel will take good care of your orders by making sure they are packed in accordance with our rigorous and exacting standards. Your products will be carefully checked and securely packed before shipping out. Every day, we ship to thousands of customers of UK; this reflects our commitment as a leading UK online retail company.

* Please note that shipping is not supported in Jersey and the following postal code areas: JE.

* There is an additional delivery surcharge to the following areas:

Scottish Highlands, Scottish Offshore Islands, N.Ireland, Channel Islands, Isle Of Wight, Isle Of Man and the following postal code areas: BT, FK, KA (1-26, 29, 30), PA (1-19), PH, AB, IV, KW (1-14), PH (19-40, 49, 50).

Please kindly contact us before ordering from these areas or we will send you a message about surcharge after your order.

* Orders are dispatched within 24 hours on the next working days.

* A cancellation fee will apply, if you wish to cancel after dispatch.

* Please Note: orders with multiple products or if a product comes multiply parts may get delivered on separate days.

Returns Policy

At Living and Home we want you to be satisfied with your purchase. Therefore we offer a 30 day return policy on all products.

If the item is faulty or you have received an incorrect item, we will not charge you for the return costs. (We require proof for faulty or incorrect items e.g photos or videos)

However if you have received the item and change your mind or cancel the order after delivery, you will need to pay the return costs. The return cost is dependent on your item value(s).

Product(s) Total Value Return Cost
£0 – £74.99 £40*
£75 - £149.99 £50*
£150 or more £60* or more

* or alternatively you can return through your own preferred carrier

* all returns must be made within their original packaging

* the return fee is per item, each additional item for collection is £15

* a return fee will still be charged if the carrier collection is missed

To return please email

Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund. If your refund is approved, then it will be processed to your original payment method within 5-7 working days.

Can I change my existing order?

Once you have placed an order, unfortunately you won’t be able to make any changes to your products, but if you require delivery or contact detail changes, please email

SAFE-TECH Standalone CO Alarm with Screen
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