Welcome to the store! 1. This smart desktop coffee warmer has an automatic shut-off function, which can avoid potential fire hazards. Once the temperature is set, the internal micro-timer will start automatically, and the coffee warmer will automatically turn off after 4 hours of inactivity. 2. 3 temperature selections, change the temperature level according to personal taste and temperature preference, there is always one that suits you. The indicator light shows the current working status. By pressing the button on the frame, switch between 48.9 °C, 65.6 °C, and 82.2 °C to the temperature that suits you best. 3. The unique 50-watt rapid heating function can heat your coffee from room temperature to the best tasting temperature within 45 minutes. The 36-watt steady heating function keeps your coffee warm all day, so you can enjoy coffee anytime, anywhere without rushing to drink it. 4. As a professional coffee cup warmer, the 9.9 cm large heating plate is definitely enough for most coffee cups, even for the smallest coffee pots. 5. This coffee cup warmer can keep your morning coffee warm at your desk while you work, or keep a cup of hot tea while you relax on the sofa. Material: PC Color: Black Size: 15*15*2.8 cm Power cord length: 1.5 meters Heating method: PTC Diameter of heating area: 10.0 cm Constant temperature, maximum temperature: 80 degrees Product parameters: 110-120V/220-240V; 60HZ/50W Temperature adjustment: three-stage adjustment (40-50C 55-65C 70-80C) Control method: touch operation 1* Heater Your satisfaction is our highest priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!