Kidde 21010047  C3010D Worry-Free Carbon Monoxide Alarm with Digital Display and 10 Year Sealed Battery
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<b>[Product Information]</b><br>
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<li>Sealed-in 10-year lithium battery</li>
<li>Automatically activates when attached to bracket</li>
<li>Tests for proper operation resets CO alarm</li>
<li>Green LED flashes every 30 seconds.Red LED will pulse when CO detected alarm pattern will sound</li>
<li>Size(inches):  4.5 L x 2.75 H x 1.5 D</li>
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