Wifi Hygrometer Sensor Tuya Smart Safety Home Indoor Outdoor Temperature Humidity Monitoring Detector Support Alexa Google Home Feature: 1. Remote Control You can remotely view temperature humidity via smart phone using the app,tuyasmart or smart life.you can set the temperature and humidity to go online and offline, and alarm immediately when the temperature and humidity is exceeded. 2. Real-time update of brightness, temperature or humidity. The built-in high-precision digital sensor can quickly and accurately find the temperature and humidity changes.Humidity values can be manually corrected 3. Temperature Unit Selection in APP You can choose or as the temperature unit through app. 4. Third-party Voice Control Works with amazon alexa, google assistant. 5.Battery Life USB charging, no need for you to buy batteries, energy saving and money saving.Built-in 500mAh lithium battery, the use time is about 4 hours 6.Time/Date Show time and date after connected with internet. 7.Muiltple connection User can use the app to add our device in smart life app in 3 ways.Bluetooth or wifi or hotspot 8.This Sensor has a temperature probe(optional), which can test Water temperature/fish tank, etc humidity exactly. It was used widely. Specifications: Product name: WiFi Temperature & Humidity sensor Working humidity: 0~100%RH Working temperature: -19~60(-2.2-140) Temperature measurement accuracy: 0.3 Humidity measurement accuracy: 2% Brightness measurement range: 0~100% Working voltage: DC 5V Quiescent current: 30mA Battery Specifications: 3.7V/500mAh Charging time: 2 hours Built-in battery usage time: 4 hours (fully charged) Temperature probe: 1 meter Wi-Fi standard: IEEE 802.11 b/n/g 2.4GHz Size: 86*86*22.8mm APP name: Tuya Smart or Smart Life Package Included: 1*Smart temperature and humidity sensor 1*User manual 1*USB cable Notes: 1.After connecting the temperature sensing cable, you need to manually calibrate the temperature of the sensor yourself. 2.The temperature error of the external sensing line is 1C, and only the integer (C) will be displayed.