Wireless Interlinked Combination Smoke and Carbon Monoxide Detector, 10-Year Battery Smoke Alarm CO Detector with Large Test/Silence Button, VCS01F

· Wireless Interconnection: When one alarm sounds, all alarms will go off.

· Dependability & Precision: Advanced dual-sensor technology accurately detects both smoke and carbon monoxide. When danger is present, the 85 dB alarm delivers a loud, clear warning to protect your family.

· 10-Year Built-In Battery: Built-in lithium battery provides continuous 24/7 protection for up to 10 years. No more frequent battery replacements or power interruptions—long-lasting peace of mind.

· Automatic Self-Check: The green LED flashes every 60 seconds to confirm the battery and sensor are working properly. The light is adjusted to a sleep-friendly level, ensuring reliable monitoring without disturbing rest.

· Slim Design & Easy Operation: Ultra-thin profile blends seamlessly into any room. A large test/silence button can be activated with a stick, making it safer for seniors to check or mute the alarm without climbing a ladder.

· Quick & Simple Installation: Mount on any wall or ceiling in minutes with the included screws or strong adhesive tape. No wiring, no professional help required—just easy, secure installation anywhere.