This module uses the ESP-01 or the ESP-01S as the master control, and the DHT11 allowing to measure the in the scales from 0 to 50 degrees Celsius and the humidity of the air in the ranges from 20 to 90%. Go through AskSensors (IOT platform), you can monitor temperature and humidity from anywhere.
1 Refer Temperature & Humidity Monitoring Using the ESP-01 & DHT and the AskSensors Cloud.