This red light therapy pad features a dual-wavelength design with 660nm red light and 850nm infrared light, plus 60 LED chips for versatile light therapy modes. Powered by a 5000mAh battery, it supports cordless use, charges in approximately 2.1 hours, and provides up to 70 minutes of use, making it suitable for home or travel. It offers 4 light modes (660nm red light, 850nm infrared light, both wavelengths together, and 10Hz pulsed mode) and 3 intensity levels, along with 3 heat settings of approximately 40°C, 45°C, and 50°C. Timer options include 20, 35, or 45 minutes, and the device defaults to a 20-minute auto shut-off when no timer is selected. | Morfone | | Cordless Red Light Therapy Belt w/Heat, 660/850nm LED, 3 Levels, Pulse, Rechargeable Back/Waist/Shoulder/Knee | Black | Best Buy