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+861892933795910 year battery smoke alarm
Main Features:
1.stand alone style
2.Infrared photoelectronic sensor;
3.buzzer alarm/LED indicating alarm;
4.Latest design
5.with hush button
6.Low voltage threshold
7.Execute Criterion:EN14604:2005/AC:2008
8.Suitable for family homes, commercial shops, restaurants, factories, office buildings