The SCO5UK is a single alarm that features two separate sensors for smoke and carbon monoxide detection.The alarm has a 7 year warranty.
Combined optical smoke and carbon monoxide sensor AA alkaline battery powered (batteries included) Test and hush button feature Smoke and CO sensors operate independently for quick detection Quick to detect slow smouldering fires Features separate LEDs and audible alarms to determine if smoke or CO has been detected Loud 85dB warning when activated