PLEASE NOTE: The product comes with a Christmas card so you can give the product as a gift to your friends or family at Christmas. Auto Shut Off: The coffee cup heater will automatically turn off after 8 hours and you never have to worry about forgetting to turn off the coffee cup heater again. Fits Flat Cups: This can use most flat bottom containers on it, such as ceramic cups, glasses, boxed milk and other flat bottom containers, flat bottom containers can get better heating results. Safe and Convenient: This coffee cup heater is made of hightech materials, making the heater heatresistant and fireresistant, the silicone shell is antiscalding and nonslip, which is very suitable for use in the home. Good Choice for Gift Giving: This has practical features to keep the drink warm throughout the day, as well as a beautiful, cute shape, which is the best gifts choice for friends or family. Temperature: The product has three temperature modes, each button pressed to adjust to the temperature mode, the three temperature modes are 45C/113F, 55C/131F or 70C/158F. Product size: 153 * 115 * 42.3mm, Product material: ABS + silicone + metal + electronic components, Power mode: straight plug medium gauge plug (cable length 1.6m) Heating method: PTC ceramic sheet heating, voltage: 220v/110V, Three gear temperature: 45 /55 /70 , Timing shutdown: 8 hours automatic shutdown, long press timing: 2 hours, 4 hours, 6 hours, 8 hours cycle timing time to automatic shutdown; Instructions for use: Click the button to open the first file, then click to open the second file, click to open the third file, and then click to close.