Warranty and support – Look for at least a 1-year warranty and responsive customer service to protect your investment. Don't hesitate to ask manufacturers about their device's irradiance (power density) at the recommended treatment distance, as this directly impacts therapeutic. The Bestqool light therapy devices come with a 30-day return period as well as a 2-year complete warranty. Within 2 years of your purchase, if your light is not working properly, we will fix or replace it. Each case will be assessed on a case by case basis, and we will make sure you're back up and. The Guardian+ is the very first oral device of its kind, with patent-pending technology that implements BOTH blue light & red/NIR light so you can safely whiten your teeth while also receiving the benefits of red light therapy! The Guardian+ is designed to provide the most consistent coverage. Some of the most important include IEC 60601-1 (for medical electrical equipment), IEC 62471 (for photobiological safety of lamps and lamp systems), and various EMC standards (for. Concerned about EMF exposure from your red light therapy device and tempted by "Zero EMF" promises? Let's investigate whether this claim holds water or is just marketing noise.
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