TBK-201P 800W Intelligent Pressure Holding Machine, Built-in Air Pump For Mobile Phone Fixing Curved/Flat Screens, Back Covers, and Brackets By Applying Controlled Heat and Pressure. Screen Repair: Ideal for re-sealing curved and flat phone screens after replacement. Back Cover Fixing: Securely bonds back glass and covers. Bracket/Frame Holding: Presses and holds phone frames/brackets during adhesive curing. Built-in Pump: Some models have an internal air pump, while others might use an external one for vacuum pressure. Intelligent Control: Allows adjustment of temperature, pressure, and time for optimal results. Universal Design: Works with various phone brands and sizes, often with rotatable holders.