Provides a warning when the concentration of CO is too high. Supplied with a replaceable 3-year battery. Standalone Compliant with Standard Replaceable Battery (Alkaline) 85dBA Alarm at 3m Test/Hush Button 3-Year Replaceable Battery 10-Year Sensor Low...

Provides a warning when the concentration of CO is too high. Built-in digital display shows the value of the concentration of carbon monoxide. Supplied with a replaceable 1-year battery. Standalone Compliant with Standard Replaceable Battery (Alkaline)...

Smoke alarm with photo-electric sensor and loud 85db alarm. Features empty battery indicator and alarm test button to ensure alarm is still working. Supplied with replaceable 1 year battery. Standalone Compliant with Standard Replaceable Battery (Zinc...

Mini heat alarm with built-in 10-year lithium battery. Detects heat instead of smoke, making it ideal for kitchens or bathrooms. Features empty battery indicator and alarm test button to ensure alarm is still working. Heat sensor reactory range 54-70°C....

Smoke alarm with photo-electric sensor and loud 85db alarm. Features empty battery indicator, hush button and alarm test button to ensure alarm is still working. Supplied with replaceable 5 year battery. Standalone Compliant with Standard Replaceable...

Smoke alarm with photo-electric sensor and loud 85db alarm. Features empty battery indicator and alarm test button to ensure alarm is still working. Supplied with 10 year sealed battery. Standalone Compliant with Standard 10-Year Sealed Tamperproof Lithium...