Wifi Temperature and Humidity Sensor,indoor Hygrometer Thermometer

[Support wifi and bluetooth]: Connecting with 2.4 GHz WiFi or bluetooth(doesn't support 5G WiFi) , you can remotely monitor temperature and humidity. Alert will be sent to Smart Life App when beyond preset value. Help keep an eye on your house when you're away from home.[Work with Amazon Alexa]: Our app account can be bound to Amazon Alexa and Google Audio, and you can use your voice to inquire about temperature and air humidity, allowing you to easily realize a smart life.[Exact value]: Samrt Life hygrometer thermometer accesses temperature accurately within +/-0.54Fahrenheit/+/-0.3Celsius and humidity +/-3% .[Large LCD Display]: It offers realtime temp/humidity readings with large numbers and max/min records on 3 inch LCD screen, comes with 3 level comfort indicators dry/comfort/wet[2 Years Data Export]: WiFi thermometer can record over 2 years data and upload to phone via WiFi. Choose different interval of data as you need. Export the last 2 years' data in CSV format.Communication method: WIFI 2.4GWorking temperature: -10-+55Celsius 0-100%RHPower supply mode: USBcolour:BlackMaterial:ABSsize:65 x 65 x 17mmPackage Contents:1 x Sensor1 x Usb cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.