AJ-732 ETL UL217 Standard Stand alone Smoke Alarm


  • 10 years of battery life
  • ETL UL217 Standard
  • Low battery warning
  • Big Test and Silence button
  • Easy installation
  • Loud 85db Buzzer
  • Private model
  • Aj-730
  • Aj-731
  • Aj-732
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ETL UL217 Standard Stand alone Smoke Alarm

1. Photoelectric Smoke alarm, protects you from different types of a fire alarm(Paper burning, wood burning, liquid burning, simmering)

2. DC 3V built-in lithium battery with 10 years battery life, not hard-wire detector, which is convenient to install, hereby save the battery cost and install cost

3. Big test button for easy recommended monthly testing, when you want to test the device, no need to take it off, just need a tool to press it.

4. Low battery warning

5.10 Year Product End-of-Service Life Warning

6. ETL certification with UL 217/UL 2034 test standard, open the business door for the USA and Canada market.


Models of AJ-730, AJ-731, AJ-732  are the 10 years stand-alone smoke alarm

Models of AJ-933.AJ-938, AJ-939 are the 10 years Smoke and carbon monoxide combination alarms. 

Three different designs with the patent for your choice, which is Uniqueness.

Click to check other designs of smoke and carbon monoxide alarm

Check Video of Smoke and carbon monoxide alarm

Additional information


Aj-730, Aj-731, Aj-732

technical parameter

Working Voltage:DC3V bulit-in lithium battery(CR 123A) ,Battery life:10 years Standby current:5uA

Alarm current:﹤60mA

Sound level:≥85dB

Low battery threshold:2.5±0.1V

Alarm mode:Siren with flash(Buzzer & Red LED)

Big test button for easy recommended monthly testing

Gross weight: 0.295KG

product size :135mm*35mm

Execute Criterion: UL217


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