First Alert® and BRK® battery carbon monoxide alarms are designed to be easy to both install and maintain - and quality-engineered for years of virtually maintenance-free service. They are a fundamental component to any household safety plan. The full line includes models with special features like silence buttons, digital displays and tamper proof casings. Choose between models with long-life lithium, 9 volt or AA batteries.

Features that First Alert® and BRK® carbon monoxide alarms all 

share include:

- 5 or 7 year warranty

- meet UL 2034 standard (the US standard as no Australian currently exists)

- repeating alarm horn pattern (85 dB)-4 fast beeps, pause, 4 fast beeps (UL mandated)