Smoke & Carbon Monoxide Alarm, Replaceable Battery, LCD Digital Display, 85dB Loud Siren, Hush Self-Test, Dual Sensor Fire CO Detector for Home, Bedroom, Garage, Office

【Important Note】 This combination smoke and carbon monoxide alarm works as a standalone device and does NOT support interconnection or APP functionality. 【All-Round Audible Safety】The powerful 85dB siren keeps your family alerted at the first sign of danger. Timely sound prompts remind you of low power or device issues, bringing steady safety to your home, office and garage. 【Dual Defence for Household Hazards】Shield your family from smouldering fires and odourless CO gas released by boilers, stoves and heaters. Enjoy 24-hour reliable protection across your entire home. 【Intuitive Visual Status Check】Track real-time CO levels effortlessly on the LCD screen. Clear LED indicators show normal operation and emergencies at a glance, ideal for bedrooms and hallways. 【User-Friendly Daily Operation】Run routine safety checks with just one click. Mute annoying false alarms from cooking fumes and live comfortably without unwanted disruptions.