<p>UTK photon red light infrared heating mat can effectively relieve muscle pain</p> <p></p> <p><b>PRODUCT FEATURES:</b></p> <ol> <li> Large Size 38"X21": Perfect for treating sore muscles in your back, shoulders, abdomen, legs, arms, and more. </li> <li>Precise Heat Settings: Smart digital controller adjusts heat (103°F-159°F by 1°F increments) to your comfort level. </li> <li>Precise TIME Settings: Smart digital controller adjusts time settings from 0-240 minutes by 15 minutes increments. </li> <li>Memory Function: The “MEM” button remembers your favorite heat and time settings. </li> <li>4-Hour Auto Shut-Off: Conserves energy and prevents burns caused by excessive heating.</li> </ol> <p><b>PRODUCT SPECIFICATIONS:</b></p> <p> Auto Shut-Off Time: 240 minutes.</p> <p> Pad Material: High-quality Eco-Suede,  Oxford water proof fabric, 10 Individual Natural Jade Stones,8 Individual tourmaline Stones, and 12 photon red light.</p> <p><b>HEAT SUGGESTIONS:</b></p> <ul> <li> Warm-temperature range (103°F~109°F) for overnight using </li> </ul> <ul> <li>Low-temperature range (110°F~119°F) for 3-4h sessions </li> </ul> <ul> <li>Medium-temperature range (120°F ~129°F) for 2-3h session </li> </ul> <ul> <li>Medium-High-temperature range (130°F ~139°F) for 1-2h session </li> </ul> <ul> <li>High-temperature range (140°F~149°F) for 30-60 minute session </li> </ul> <ul> <li>Very-High-temperature range (150°F ~159°F) for 30 minute session</li> </ul>