Gedsffati [4-in-1] Plug In Carbon Monoxide Detector & Smoke Alarm 2000 MAh Battery Mini CO Meter Integrated [CO Emperature Humidity Sensors] Home Travel Hotel RV, Carbon Monoxide Detectors - Canada

【Plug in & Play design】US standard plug is compatible with 110V to 220V AC outlet. Fits all US standard AC outlet in bedroom, kitchen, living-room, basement, hotel room, etc. Just Plug in and the detector will real-time work all day. 【Built-in 2000 mAh emergency Blackup battery】Provides 18-20h working time, helps to cope with sudden power outages. Rechargable lithium battery design, Compared to other disposable batteries, we can help you save a lot of battery replacement costs. 【2.1’’ HD Screen】 All the datas real times and dynamically show on the HD screen, we can read the data faster from the big icons like: CO ppm, Smoke indicating bar, Combustible gas warning icon, humidity, temperature, CO indicator icon, plug and alarm status.