Finally, don’t wait for your CO detector to let you know when the battery is low. Instead, change the battery every 6 to 12 months whether or not you hear your carbon monoxide detector chirping.

Carbon monoxide can be a silent, odorless and invisible killer, but it can still be detected. Protect your family with these ...

2. Pick a Power Source Hardwired smoke and carbon monoxide detectors tie into your home’s wiring—professional installation is required—and usually have backup batteries. Battery-only ...

And can I connect a battery-operated unit in my garage to the wired detectors?

At a minimum, you should install a battery-operated or battery back-up CO detector at every level of your home, just as you ...

Battery Type: 2 x CR 123, 3V Lithium Battery. Current Consumption: 20 μA standby, 30mA. Alarm Frequency: 868.65 MHz or 433.92 MHz. Supervision Transmission: 15 min / 65 min. Signal Volume: 85 dB at a ...