Smoke detector,smoke alarm
DC 9V battery power supply
Photoelectric sensor
send out sound and light alarm
1 years warranty

Smoke detector,smoke alarm

DC 9V battery power supply
Photoelectric sensor

send out sound and light alarm

Environment temperature:-20-+50 degree

Environment humidity:≤95%

low battery alarm

Alarm decibel:85dB/3M

Very easy to install

1 years warranty

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Have many different models for choose