- Smoke and CO 2-in-1
- 10 years of battery life
- 10 years of Figaro CO sensor
- ETL UL217/UL2034 listed
- Low battery warning
- Easy installation
- Loud 85db Buzzer
- Private model
AJ-939 ETL Smoke & Carbon Monoxide Alarms
Smoke & Carbon Monoxide Alarms
1. 2 In 1 Combination Smoke/Carbon Monoxide alarm, can detect both smoke and carbon monoxide, combine two functions in one device, reduce the cost
2. DC 3V built-in lithium battery with 10 years battery life, not hard-wire detector, be convenient to install, also can 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 Figaro CO sensor from Japan, lasts for 10 years
7. 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
Aj-933, Aj-938, Aj-939
|Working voltage||DC3V bulit-in lithium battery|
|Battery life||10 years|
|Low battery threshold||2.5±0.1V|
|Alarm mode||Siren with flash(Buzzer & Red LED)|
|Detect||smoke and carbon monoxide|
|CO Alarm concentration:||70ppm:60~240min|
|Execute Criterion||UL217 / UL2034|
product as described