Upgraded Red Light Therapy Lamp: Each therapy light bulb has 18pcs high power leds in total. 9pcs 660nm deep red leds + 9pcs 850nm near infrared leds making it the best wavelength for light therapy. Infrared light is invisible to the naked eye so when using this bulb only half of the chips will appear illuminated Optical Lens Design: The red light bulb is equipped with 60 degree glass lens and additional super large optical lens which improve the Irradiance 141mW/cm2. Target treatment for your face shoulder knee waist 20 minutes every time Drug Free Non-Invasive Pain Relief: Designed to deliver infrared heat to the body. The infrared heat improves the blood flow circulation of the target area, encouraging muscles and damaged tissue to heel Easy and durable to use: Designed to fit standard E26/E27 socket, 100~240V AC, Easy to set up and use. Enjoy light therapy at home, whenever you want to. The high power led light therapy bulb has built-in qualified heat sink for better heat dissipation, durable to useProducts from GuanGuan's store Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 163 hours.