Tado° Smart AC Control is a device that connects your smartphone to your air conditioner. Use Tado° app (iOS and Android) to control your AC from anywhere. It works the same way like the remote control, via infrared, and connects effortlessly through your Wi-Fi to the internet. Tado° intelligent AC control will turn the air conditioner down when the last person leaves home and starts to cool again when it detects the first person returning. This way you can save up to 40%. energy , and reduce the electricity cost even during the warmest summer days. It can be attached with adhesive strips to the wall. Control it with your voice, using Amazon Alexa , or bring products and web services together to create new scenarios with IFTTT .