First Alert PRC710 Smoke and Carbon Monoxide Alarm - 10-Year Battery

In this review of the First Alert PRC710, the bottom line is simple: this slim combination smoke and carbon monoxide alarm is best for homeowners and renters who want a low-profile, battery-operated safety device that requires no wiring and promises up to ten years of continuous power. The reviewer found it particularly useful for rooms where a discreet profile matters and for those who prefer a single unit that covers both hazards. Installation is straightforward and the unit meets current 10 year legislation in jurisdictions that require it.

Key Features

• Built-in 10-year battery: Provides continuous power without battery replacements for up to a decade, reducing maintenance and missed battery changes.
• Photoelectric smoke sensor: Detects larger particles from smoldering fires, helping reduce false alarms from cooking or steam compared with ionization-only units.
• Electrochemical CO sensing: Monitors carbon monoxide with a dedicated sensor that responds to rising CO levels before they become dangerous.
• Sleek low profile design: Blends into walls and ceilings better than bulkier alarms, making it suitable for modern interiors and discrete placement.
• 85 dB alarm: Loud audible alert ensures occupants can hear warnings when smoke or CO levels begin to rise.
• End-of-life signal: An audible chirp notifies when the unit has reached its service life so it can be replaced for continued protection.

Who It's For

The PRC710 is aimed at homeowners, landlords and renters who want a no-wires solution that still meets industry standards; it is a good choice for bedrooms, hallways and finished basements where a combined CO and smoke detector simplifies protection. It is also useful on renovation job sites or rental turnovers where quick, reliable installation is needed.

Those who should look elsewhere include buyers who prefer hardwired, interconnect-capable systems for whole-house alarm networking or users who want replaceable batteries rather than an integrated 10-year cell. Also consider a different model if you require multi-room interconnect or smart-home integration.

Pros & Cons

Pros

• Easy, tool-free installation ideal for quick deployment in rental units and retrofit situations.
• Combined smoke and carbon monoxide sensing reduces the need for separate devices and simplifies maintenance.
• Low profile design minimizes visual impact in living spaces while meeting UL standards.
• Built-in 10-year battery cuts ongoing battery replacement tasks for most users.

Cons

• Some users report occasional nuisance activations or earlier-than-expected failures, so monitor performance and register warranty.
• No hardwired or interconnect option for those wanting integrated whole-house alerts.

Specifications

Our Verdict

The First Alert PRC710 is a solid value for those who want a combined smoke and CO alarm that is easy to install and low maintenance thanks to its built-in 10-year battery. It is best for individual rooms and rental units where wiring is not an option; however, buyers needing interconnectivity or hardwiring should consider other models. Overall, it balances dependable sensing technology with a discreet design at a reasonable price for most households.

Frequently Asked Questions

How long does the battery last?
The alarm has a built-in 10-year lithium battery meant to power the unit for up to a decade without replacement.

Does it detect both smoke and carbon monoxide?
Yes. It uses a photoelectric sensor for smoke and an electrochemical sensor for carbon monoxide in a single combined unit.

Will this unit interconnect with other alarms?
No. This slim, battery-operated model is intended as a standalone device and does not provide hardwired interconnect capability.