Upgraded Red Light Therapy Lamp: Each therapy light bulb contains 18 high-power LEDs, including 9 pieces of 660nm deep red LEDs and 9 pieces of 850nm near-infrared LEDs, delivering optimal wavelengths for light therapy. Near-infrared light is invisible to the naked eye, so only half of the LED chips will appear illuminated during use. Optical Lens Design: The red light therapy bulb features a 60-degree glass lens and an additional large optical lens, enhancing irradiance to over 141mW/cm². Suitable for targeted treatment on areas such as the face, shoulders, knees, and waist. Recommended for 20-minute sessions. Drug-Free & Non-Invasive Pain Relief: Designed to deliver infrared light energy to the body, helping to support blood flow and circulation in targeted areas, promoting natural recovery of muscles and tissues. Easy and Durable Use: Compatible with standard E26/E27 sockets, operates on 100–240V AC. Simple setup for convenient home use. The high-power LED bulb includes a built-in heat sink for efficient heat dissipation, ensuring long-lasting performance.