The thermostat can be powered by batteries or via a USB cable. 

Using the Aluzan Wireless B-100 WiFi Smart Thermostat:

The thermostat enables wireless, voltage-free switching of boilers and other devices or switching of circuits (up to 10A). You can connect a receiver to the boiler with which you can communicate via WiFi. The receiver then communicates via radio waves with the portable thermostat. These are much less energy intensive, allowing the thermostat to run on batteries.

Features and Functions:

• Voltage-free switching or voltage switching up to max. 10A load
• Connection to the home WiFi network
• remote control or voice control
  
• Simple, intuitive SmartLife app (Android and iOS)
  
• Simple, fast connection
  
• Open window detection
  
• Weekly mode with the possibility to set different every day
  
• up to 4 temperature changes per day
  
• Energy saving
  
• portable
• Freeze protection function
• Compatible with Amazon Alexa, Google Assistant, IFTTT and more
  
• Multi-device control
• Manual in German
  
• unlimited thermostats in one app
  
• No static IP address required
  
  

In the package you will find:

• Aluzan B-100 WiFi thermostat
  
• Recipient
• was standing
• wall mount
• Detailed MANUAL in German