Advanced White Ink Circulation System - Built-in white ink stirring and circulation system, automatically stirs every 3 mins to prevent the settling of white ink, thus mitigating the risk of clogging printer nozzles and ensuring smooth printing operations. Easy Installation - Simply connect the ink tubes to this DTF CISS, effortlessly transforming a 6-channel inkjet printer into a 4-color DTF printer. With a sufficient power supply, it can be easily activated by pressing the power button, making it user-friendly even for beginners. Built-in Battery Design - Built-in 2600mAh battery supports unplugged use. Utilizing a Type-C charging port, it is compatible with commonly available adapters and charging cables. Light Indication Feature - This CISS DTF White Ink Circulation System incorporates a light indication feature, allowing users to visualize the mixing situation and power status, convenient for observation and adjustment. Compatibility - Suitable for 6-channel inkjet printers such as EPSON ET-8550, L805, XP15000, and more. The system comprises six 250ml high-capacity ink tanks, meeting extensive printing demands while saving time on refilling ink and enhancing workflow efficiency.