GemsMat - Regis- Far Infrared Amethyst Jade Tourmaline Crystal Heat Stone Mat (71"L x 32"W) - Red Light 36 Photon - Adjustable Timer & Temperature - Heating Pad (Firm) includes free removable and washable top cover and carrying bag. Standard EMF FREE less than 2mG heating protection system with heavy duty controller to set and maintain 86°-158°F / 30°-70°C heating temperature and different time settings up to 3 ,6 and 12 hours. The power input is 110-120V /60 Hz, 220W. OPERATING INSTRUCTIONS 1.Plug the power cord into 120VAC, 60Hz electrical outlet. 2.Set the controller to desired setting 3.Place heating mat/pad on the safe environment area. 4.Press the OFF button and unplug power cord when finished. AUTOMATIC SHUT-OFF CONTROLLER Your heating mat/pad controller is equipped with a special safety feature designed to shut the heating mat/pad off after the selected time up to 12 hours of use. To restart the controllers, you can confirm the amount of time and adjust to the correct temperature setting. NEVER LEAVE A POWERED UNIT UNATTENDED. WASHING INSTRUCTIONS DO NOT DRY CLEAN, DO NOT USE BLEACH, DO NOT USE WRINGER AND DO NOT IRON YOUR HEATING MAT/PAD! WARRANTY This heating mat/pad is warranted against defective material or workmanship from the date of purchase. Warranty term: 1 year Any defective part will be repaired or replaced at no charges as long as it has not been repaired or tempered with and was used according to these printed instructions. Any changes incurred to ship the product back for replacement are the sole responsibility of the consumer. This warranty gives you specific legal rights as well as other rights, which vary from state to state.