Brand new and high quality
<br />
<br />With a mounting bracket
<br />
<br />Powered by 9VDC battery  (not included)
<br />
<br />Working current: 10-30mA
<br />
<br />Working temperature: 5¡ãC - 50¡ãC
<br />
<br />Sound level: 85dB
<br />
<br />With a test button
<br />
<br />
<br />
<br />Specifications:
<br />
<br />Power supply: 3 pcs 1.5V AA batteries (not included)
<br />
<br /> Alarm current: <75mA
<br />
<br /> Alarm concentration: 50 (¡À 30%) ppm of carbon monoxide gas
<br />
<br /> Low-voltage warning threshold voltage: 3V ¡À 0.3 V;
<br />
<br /> Environment: Temperature: 5¡ã C ~~ 40¡ã C, relative humidity: 20% ~ 90%
<br />
<br /> Alarm sound: three meters in front of more than 85 db;
<br />
<br />Package included:
<br />
<br />1 x Smoke detector
<br />
<br />1 x User guide<p> <b><b><img src="https://contestimg.wish.com/api/webimage/56722525d775625360c43eef-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/56722525d775625360c43eef-1-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/56722525d775625360c43eef-2-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/56722525d775625360c43eef-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/56722525d775625360c43eef-4-large.jpg></b></b></p>