Self-Check FunctionThe GS886 smoke detector carbon monoxide detector combo automatically checks every 80 seconds to ensure all sensors, alarms, and battery functions are operating correctly, preventing issues from being overlooked or forgotten. If a problem is detected, the alarm will alert you to perform maintenance or replace the device, ensuring it remains in optimal working condition.
Unique Voice SpeakerUnique smoke detector and CO detector alarms distinguish between smoke alarms and CO warnings.
Co alarm: "Warning, carbon monoxide, evacuate!
Smoke alarm: "Fire! ". Verbal warning system reduces confusion and helps people maintain order.