• The hot pack is a great way to relax and soothe muscle tension, stiffness and pain. With four packs. • The temperature is adjustable and comes with an automatic shut-off feature for safety. • Ideal for use after strenuous physical activity or long days at the office. • This device will help you keep the packs hot. • Made in Spain. • Made entirely of AISI 304 grade stainless steel. • Display temperature. Adjustable. • The heater automatically shuts off in case the thermostat probe fails. • IP20 protection for the entire device and IP52 for the front section.