iZM100V2GFT October 09, 2024 00:20 FAQ What’s the warranty period for this product? How does light therapy work? How does sound therapy work? What are the preset intervals for the timer? What is the Aux-in for? What is the wattage output? DocumentationSee attached files below. iZM100v2 User Manual 1 MB Download Related articles How does light therapy work? iHV330 How to Set the Time?