HAKINAKU 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) - ‎Shenzhen Huidu Technology Co., Ltd., CWQ-US-HD11-1PCS-WH

• UPC   758321301978
• 【4in1 Smoke&CO detectors】Combination 4in1 detectors Integrated carbon monoxide, smoke, temperature and humidity sensors, real time to detector and show the environment gas safety for us. 【Plug in design】Compatible with US 110V to 220V AC voltage Fits all US standard AC outlet in bedroom, kitchen, living-room, basement, hotel room, etc. 【Built-in 2000 mAh backup battery】Provides 120h long working time, helps to cope with sudden power outages, and also can be used as a outdoor portable Smoke&CO detectors. 【 Equiped 2.1’’ HD Screen】 All the data real time show on the HD screen, we can 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 for you and family., Weight: 0.48 pounds, Manufacturer: ‎Shenzhen Huidu Technology Co., Ltd.