2-Pcs 4IN1 Plug in Carbon Monoxide Detector & Smoke Alarm Combination Builti-in 2000 mAh Battery with 2.1” HD Screen [Smoke CO Temp Humidity Monitor] Plug&Play for Home Travel Hotel (Black)

【2-Pcs 4in1 CO & Smoke detectors】Our Gedsffati newest combination 4in1 detectors Integrated carbon monoxide, smoke, temperature and humidity sensors, real time to detector the environment gas safety for us.
【Plug in 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, and the like.
【Built-in 2000 mAh emergency battery】Our Gedsffati Smoke&CO detectors is built-in 2000 mAh battery, which supplies 120h long working time, helps to deal with sudden power outages, and in addition we will use it as a out of doors portable CO&Smoke detectors.
【2.1’’ HD Screen】 All of the data will real times show at the HD screen, we will read the data faster from the big icons like: CO ppm, Smoke indicating bar, humidity, temperature, CO indicator icon, and alarm status.
【All gas environment safety we care】 Built-in UL standard independent Smoke sensor and CO sensor, HD screen visible and 85 dB audible design is real time detect the gas environment, bring you extra safety on your and circle of relatives.