Kidde knows a thing or two about fire safety. They’ve been making alarms for decades, and the 30CUA10-V is their latest take on the hardwired smoke and CO detector. The headline feature here is the 10-year sealed battery backup. That means no chirping at 2 a.m. to replace a 9-volt. Once it’s installed, you’re covered for a decade without touching it.

The real upgrade is the voice alerts. Instead of just a piercing beep, it tells you exactly what’s wrong—”Fire” or “Carbon Monoxide.” That matters when you’re groggy at 3 a.m. The electrochemical CO sensor is the gold standard for accuracy, and the enhanced smoke sensing cuts down on false alarms from searing a steak. It’s hardwired into your home’s system and can interconnect with other Kidde alarms, so if one goes off, they all do. The 5-inch white design is clean and modern, blending into the ceiling better than the old hockey pucks.

One thing to note: installation requires wiring knowledge or an electrician if you’re not comfortable with 120-volt connections. The hardwired setup is reliable, but it’s not a simple battery swap. For a unit that lasts ten years and talks you through an emergency, that’s a fair trade.