Slide Switch with on indicator light, 3 automatically controlled heat settings, wet proof pad construction, removable, hand washable, cloth cover, sponge pad for moist heat. This pad automatically shuts off in 60 minutes. Cara's Moist/Dry Heating Paid with Slide Switch is recommended for use whenever heat therapy applications are desirable for personal comfort, or as recommended by your physician for the relief of pain. UL listed. Made in China.