2-Pcs 4IN1 Plug in Smoke & Carbon Monoxide Detector Combination Builti-in 2000 mAh Backup Battery HD Screen [Smoke CO Temp Humidity Sensor] Alarm for Home Travel Hotel Indoor (White)

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【2-PCS 4in1 Smoke&CO detectors】Mixture 4in1 detectors Built-in carbon monoxide, smoke, temperature and humidity sensors, actual time to detector and present the surroundings gasoline security for us.
【Plug in design】Appropriate with US 110V to 220V AC voltage Suits all US normal AC outlet in bed room, kitchen, living-room, basement, lodge room, and many others.
【Constructed-in 2000 mAh backup battery】Gives 120h lengthy working time, helps to deal with sudden energy outages, and likewise can be utilized as a outside moveable Smoke&CO detectors.
【 Equiped 2.1’’ HD Display】 All the info actual time present on the HD display screen, we are able to learn the info quicker from the large icons like: CO ppm, Smoke indicating bar, humidity, temperature, CO indicator icon, and alarm standing.
【All gasoline surroundings security we care】 Constructed-in UL normal impartial Smoke sensor and CO sensor, HD display screen seen and 85 dB audible design is actual time detect the gasoline surroundings, convey you further security for you and household.