New in box, White in color The coffee mug warmer has Low/Medium/High temperature settings. You can switch the temperature to 130℉, 150℉, 176℉. This mug warmer can be set according to your personal taste temperature preference to keep your drinks the best taste. With 6 timing functions, you can choose 2H,4H,6H, 8H,10H, and 12H to set shut off time by touching the timing button. The mug warmer for desk also automatically shuts down after 4 hours if you forget to set it. The cup warmer plate is suitable for metal, ceramic, glass, enamel, tile, high temperature plastic and etc. Tips: Use a mug with thin-wall, flat-bottom will get the best warming performance.