MP-80B mug press is the durable quality, low cost mug press. Ideal for those who are looking for an inexpensive start up mug press. The heating element is under warranty for three months and heating elements are available to purchase if you need one. This mug press can work continuously. However, the power supply should be shut off if the press is going to be idle for a while. Accurate top-to-bottom Heat Continuous heat around the mug Auto Reset Timer and LCD Readout Mug size adjustment knob & Replacable HeaterEffective with all types of mug transfers Accommodates: 11, 15 & 16 oz. Mugs (NOT recommended for steins or travel mugs) Effective Print Surface 3.75” x 8.25” 12 month warranty on press & electronics 3 month warranty on heater band Voltage:220V/110V Quality control:All machines are brand new in box.Our factroytests every machine as we heat it up to 200 degrees Celsius and let it stay for at least 20 minutes before ship out. Detailed instructions included with every machine to help you use your machine. The operation process of mug heat presses: Step 1: Place the print face down on the mug and secure it with thermally resistant tape. Place the tape on opposite ends of the print. Step 2: Slide the mug into the mug press and apply pressure after the temperature rise to 180 degree. 3 miniutes later, remove the mug from the mug heat presses. Step 3: Remove the tape before the mug is cool.