Simple and stylish mug warmer, with a temperature setting of 40°C to 80°C, and an automatic shut-off function after 12 hours. - Product Name: Mug Warmer - Temperature Setting: 40°C - 80°C - Automatic Shut-Off: Shuts off automatically after 12 hours - Power Source: AC power Thank you for viewing. This is a new, unused item, and was opened for photography purposes.