Hitprex Tumbler Press Machine 20 And 30 Oz Temperature & Time Setting When power on, temperature display start flashing,Press the”+” or “-” to adjust the temperature, press “ Set ” to finished temperature setting. Then time display start flashing, Press the”+” or “-” to adjust the time, press “ Set ” to finished time setting. The buzzer will beep intermittently when the temperature reaches the set temperature, then press "Start" to start the operation. Strong Buckle, Ensures Safety The latch adopts a unique buckle design, it is made of high-strength stainless steel, which is stronger and wear-resistant, and it remains closed during work to ensure safety. Adjustable Diameter Range You can sublimate print 2 pieces of 11 oz or 15 oz sublimation ceramic mugs at once. It can print various straight cups such as tumbler, bottle, mug, etc., which makes it a good choice for many business crafters! What Will You Get? Special Note 1. To prevent burns, please wear gloves when operating the machine. 2. For even heating, after the first heating is completed, please rotate the tumbler 180 degrees and heat it again. 3. Please use glass, ceramic, metal, and other high-temperature resistant materials for the cup material. Plastic products cannot be heat press. 4. Please do not let the machine heat up when there are no tumblers in the heat press machine, it will shorten the life of the tumbler heater of the machine. 5. After 120s without key operation, the heat press attachment will stop heating. 6. Do not use the machine continuously for more than 2 hours. 7. If not in use, please unplug the power to avoid fire or danger. Special Note 1. To prevent burns, please wear gloves when operating the machine. 2. For even heating, after the first heating is completed, please rotate the tumbler 180 degrees and heat it again. 3. Please use glass, ceramic, metal, and other high-temperature resistant materials for the cup material. Plastic products cannot be heat press. 4. Please do not let the machine heat up when there are no tumblers in the heat press machine, it will shorten the life of the tumbler heater of the machine. 5. After 120s without key operation, the heat press attachment will stop heating. 6. Do not use the machine continuously for more than 2 hours. 7. If not in use, please unplug the power to avoid fire or danger.