ANTERCITE packs a critical one-two punch with this two-pack of combination smoke and carbon monoxide detectors. The clear digital display is the immediate standout, giving you a live CO reading in parts per million. You don’t just hear an alarm; you see the threat level, which is invaluable during a potential emergency or when troubleshooting a false alarm.

It uses a photoelectric sensor for smoke, which is better at detecting slow-burning, smoldering fires, and a separate electrochemical sensor for carbon monoxide. The 85dB alarm is plenty loud to wake a sleeping household. These are battery-powered, so installation is straightforward with just two screws, but it means you’re responsible for replacing the batteries.

The design is simple and unobtrusive on your ceiling or wall. For the price, getting two reliable, dual-sensor detectors with that clarity of a digital readout is a straightforward win for basic home safety.