Before purchasing this item please check the provided wiring pictures to make sure if your fireplace is compatible with this unit. Turn ON/OFF fireplace from anywhere with your cellphone and you can add unlimited free Remote for your family by another cellphones or device. It is the most complete Wifi Temperature Humidity Thermostat fireplace with professional timer in the market with a lots of features! Remote Turn ON/OFF your fireplace from anywhere in the world or at home by your iOS or Android mobile App . Sync Status–Real-time device status provided to App It has a professional timer for time Set scheduled/countdown/loop timers to ON/OFF the fireplace at specified time. Temperature or Humidity Control- Monitor and control real time temperature & humidity in auto mode or turn on or off at a specified temperature or humidity range. Or sent in manual mode to turn on or off immediately. Share Control–you can easily add another remotes with downloading the app on other cellphones of your household to control your smart fireplace together with your family and you can remotely add, modify, delete or enable each additional remotes and their authorizations. Voice Control–Even better, Works perfectly with Amazon Alexa, Google Assistant, Google Nest, IFTTT, Amazon Echo, Echo Dot, Amazon Tap History record–You can check who (shared persons) and at what time turn on or off the fireplace. Specifications: Input voltage:5V DC Operating Temperature:0°C-40°C (32°F-104°F) Wireless Standard:802.11 b/g/n Security Mechanism:WPA-PSK/WPA2-PSK Temperature Range:–40℃~+85°C Humidity Range:0~100%RH Package includes: Fireplace receiver with adapter (the remote will be your cellphone or computer that is not included) The receiver should be wired to fireplace (according to the pictures). Installation completes after downloading the app & pairing the unit with your phone.it installed with WiFi 2.4Hz and after installation you can changed it to WiFi 5G. No hub required. Simple installation.