INTELLIGENT AUTO ON&OFF: Thanks to the microgravity technology, the cup warmer will automatically work when put mug on automatic heat zone, auto off when remove mug from heating plate.(Note: The cup should contain water to activate the gravity sensor) KEEP HEALTHY ON YOUR DAILY LIFE: Our mug warmer can turn hot water into warm water, and heat cold water into warm water. Keep or warm up the liquid temperature to as high as 131℉/55℃. NOT BE PARTICULAR ABOUT MUGS: Suitable for various tableware, such as metal, ceramic, enamel, tile, high temperature plastic, glassware etc.. Flat bottom cup is recommended to keep constant warmth. SAFE & LOW POWER CONSUMPTION: Come with 4 non-skid feet at the bottom to help support your mug and prevent spills. 16W low power consumption and excellent heat focusing, adopts waterproof tempered glass which allows it to evenly warm beverages while remaining safe and stable. OPTIMAL GIFT: Keep the beverages(Coffee, Tea, Milk etc.) warm whole day, making it a great gift for Friend, family, colleague and all your loved ones, Thanksgiving and Christmas, and other special occasions to express your sincere care. Note: 1.Try to use a flat bottom cup and heat it faster. If the bottom of the cup is not flat, the heating speed will be slow. 2.If the weight of the cup is too light, it may not trigger the automatic switch sensing system. In this case, you need to manually press the switch summary. 3. Be sure not mistake this warmer as a cooktop! If you have a hot cup of coffee you don't want to go cold, that's what we're here for-maintaining temperatures, not heating up leftover. Specifications: Product Type: Auto Shut On/Off Cup Warmer Material: ABS, Tempered Glass Parameter: 110V/50Hz; 16W Temperature Range: 52℃/125.6℉-55℃/131℉ Color: White Power Cord Length: 100cm/39.38inches Item Size: 11.9x16x2.5cm/4.69x6.3x0.99inches Item Weight: 223.5g/0.5lbs Package Lists: 1× Cup Warmer (w/ Power Cord) 1x User Manual