ALDIOUS Red & Infrared Light for Foot & Ankle, 660nm & 850nm LED Red Light Shoe Device with Pulse Mode, 3 Level Temperature, 10/20/30mins Timer AUTO OFF & TEMPERATURE ADJUSTABLE：Total SIX WORK MODES you can choose, red light, infrared light, all light, red light pulse, infrared light pulse, and all light pulse mode. ALDIOUS red light shoe also provides 102℉/109/118℉ three gears adjustable temperature, and 5 to 30mins automatically turn off, You can set the time and temperature according to your own needs.