Kidde Plug-in CO & explosive gas detector with battery backup vs 4-in-1 carbon monoxide and gas detector with temp & humidity (2 packs)

Overall winner: 4-in-1 carbon monoxide and gas detector with temp & humidity (2 packs)

Key Differences

Kidde (A) is a single plug-in CO & gas alarm with a 9V battery backup and a high review count, making it a straightforward, well-reviewed option at a more affordable listed price tier. Vilfet (B) is sold as a 2-pack 4-in-1 unit that adds temperature and humidity sensing and reports a perfect average rating but may be bulky for small spaces

Kidde Plug-in CO & explosive gas detector with battery backup

Kidde Plug-in CO & explosive gas detector with battery backup

Kidde • ★ 4.0/5 • Mid-Range

Plug-in detector for carbon monoxide and explosive gas with 9-volt battery backup and digital LED display. Provides 85-decibel alert and peak level memory; easy installation. Customers cite safety and ease of use as positives, with mixed views on gas detection reliability

Pros

  • plug-in 120v outlet with battery backup
  • digital LED display for CO levels
  • 85-decibel audible alarm
  • peak level memory

Cons

  • mixed reviews on gas detection reliability
  • mixed views on battery life
  • value for money varies among customers
Check current price on Amazon →

Head-to-Head

CriteriaWinner
Price Kidde
Durability Tie
Versatility Vilfet
User Reviews Kidde