2 in 1 Smoke & Carbon Monoxide Alarm, AJ-933 10 year, Combination Smoke Detector with Flash

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  • 2 in 1 Smoke and CO Detector
  • Sensor: Photoelectric + Electrochemical
  • 10-year battery life, 10-year CO Sensor
  • ETL UL217/UL2034 Listed
  • Low Battery Warning, Easy Installation
  • Loud 85db Buzzer

2 In 1 Combination Smoke and Carbon Monoxide alarm, can detect both smoke and carbon monoxide, it combines smoke and carbon monoxide dual sensors in one detector, which will reduce the cost.

Also, it has DC 3V built-in lithium battery with 10 years battery life, not hard-wired or mains powered detector, convenient to install, saves battery cost.

Large test button for easy recommended monthly testing, when you want to test the device, no need to take it off, just need a rod or a stick to press it.

Low battery warning.

10 Year Product End-of-Service Life Warning.

Figaro CO sensor from Japan, which lasts for 10 years.

ETL certification with UL 217/UL 2034 test standard.


Technical Parameters

  • Power Source: Sealed 3.0 V CR123A lithium battery(none-replaceable)
  • Battery Life: 10 year
  • Product Life: 10 year
  • Type of Sensor: Smoke: Photoelectric; CO: Electrochemical
  • Standby current: 8.2uA
  • Working current: <60mA
  • Sound level: 85dB
  • Low voltage threshold: 2.5±0.1V
  • Alarm mode: Siren with flash (Buzzer & Red LED)
  • Detect: Smoke and Carbon monoxide
  • CO Alarm concentration:
    • 70ppm:60~240min
    • 150ppm:10~50min
    • 400ppm:4~15min
  • Execute Criterion: UL217 / UL2034
  • Product Dimensions / Weights: 13.1 x 3.6 cm; 5.16 x 1.42 inch / 280 Grams


Package Content

  • 1 x AJ-933 Smoke & Carbon Monoxide Alarm
  • 1 x 3.0 V CR123A lithium battery(built-in)
  • 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.



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

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2 in 1 Smoke & Carbon Monoxide Alarm, AJ-933 10 year, Combination Smoke Detector with Flash
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