DescriptionBrand Name : GIRIEROrigin : Mainland ChinaCertification : CE,RoHSType : WiFi Temperature Humidity SensorInput Voltage : DC 4.5VWorking Humidity : 10%-90%RHLow Power Undervoltage : 2.4VWorking Temperature : -10-55Quiescent Current : 30uAWiFi Standard : 802.11 b/g/n 2.4Ghz onlySize : 60*63*25mmApp : Smart Life, TuyaSmartTuya Wifi Smart Temperature and Humidity Sensor with LCD Screen Digital Display Wireless Thermometer Work with Alexa Google HomeMain Features- Monitoring temperature and humudity changes for your home and send datas to your smartphone.- Radio transmission circuit and coding technology to solve signal interference blocking problem.- Various temperature modes can be adjusted for different scenes.- Ultra low power consumption and long battery life.- With low voltage monitoring prompt function- Demolition design in the field of professional security.- Split design, high reliability.SpecificationWifi Standard: IEEE 802.11 bgn 2.4GHz OnlySize : 60*63*25mmWorking Temperature : -10-55Working Humidity: 10%-90%Battery Type: 3*AAA BatteryShell Material : PC+ABSTemperature Accuracy : + 0.3 degreesHumidity Accuracy : + 3% RHApp: Smart Life, TuyaSmartCertification: CE, RoHSPackage List1*WiFiTemperature&Humidity Sensor1*User ManualNOTE: Battery is no included in the package because it will cause a problem to shipment. Thanks for understanding.RELIABLE AFTER-SALES SERVICEOur friendly and reliable after-sales service team can provide the most professional solutions for any of your problems. Please rest assured for shopping.All orders will be shipped out within 24~48 hours, except order placed in Chinese holidays.