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)

From the model

【4in1 Smoke&CO detectors】Mixture 4in1 detectors Built-in carbon monoxide, smoke, temperature and humidity sensors, actual time to detector and present the atmosphere fuel 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, resort room, and so forth.
【Constructed-in 2000 mAh backup battery】Supplies 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 information actual time present on the HD display screen, we will learn the information sooner from the large icons like: CO ppm, Smoke indicating bar, humidity, temperature, CO indicator icon, and alarm standing.
【All fuel atmosphere security we care】 Constructed-in UL normal unbiased Smoke sensor and CO sensor, HD display screen seen and 85 dB audible design is actual time detect the fuel atmosphere, convey you additional security for you and household.