This is an IOT app that helps you manage and control COOLEAN’s various home appliances with your smartphone. [Main Functions] 1. Product ON / OFF Your home appliances can be turned on before you enter the house, and turned off outside. 2. Timer You can set and use your home appliances as long as you want. 3. One-click Various actions such as ON / OFF, Timer, etc. can be set and practiced at once with one-click. 4. Group Activate Various home appliances can be activated at once in a group.