3-in-1 integrated carbon monoxide detector with real-time environmental sensing - 3-in-1 functionality: integrates carbon monoxide, temperature, and humidity sensors to monitor your environment. The detector updates its readings in about 2 seconds to detect potential carbon monoxide hazards in real time. - Clear, actionable information: provides real-time updates on CO levels, temperature, and humidity, helping you respond quickly to changing conditions. Plug-and-play convenience and wide compatibility - US standard plug design: compatible with 110V to 220V AC power outlets. Suitable for all US standard outlets in bedrooms, kitchens, living rooms, basements, hotel rooms, offices, and more. - Real-time display: all data is shown on a 2.1-inch HD screen, making readings easy to read at a glance. Reliable power with a built-in backup battery - 1000 mAh rechargeable backup battery: delivers 90-96 hours of operation on a full charge, helping you cope with sudden power outages. - Portable use: can be used as a portable carbon monoxide detector for short-distance trips lasting up to about 3 days. - Cost savings: rechargeable design reduces the need for disposable batteries over time. Safety standards and audible warning - UL2034 compliant sensor: built-in independent carbon monoxide sensor meets safety and performance standards. - Readable display and audible alert: the HD screen remains clearly visible, and the 85-decibel alarm with low-noise operation provides real-time gas environment warnings. - Whole-house protection: designed to create a comprehensive early warning system for your home, enhancing protection for you and your family. Use scenarios - At home: place in bedrooms or near living areas to monitor CO, temperature, and humidity, enabling quick response to potential hazards. - During travel or in shared spaces: plug in hotel rooms or offices for constant monitoring, or use the device as a portable detector for short trips. - Power outage or multi-room monitoring: rely on the rechargeable backup battery to maintain monitoring and alerts when main power is interrupted.