ELEGOO Water Washable Photopolymer Resin is compatible with most LCD 3D printers using the 405nm wavelength light source. It's specifically designed for LCD/LED light sources to achieve better printing quality. Compared to other kinds of resins, ELEGOO water washable resins are easy to use and do not need alcohol or IPA to clean, just need to be cleaned with tap water, saving you the cost of alcohol or IPA and saving your time. Given the outstanding performances, ELEGOO water washable resin is suitable for most MSLA/DLP/LCD 3D printers. Works best with the resin 3D Printers. ELEGOO water washable photopolymer resin is specially designed to reduce volume shrinkage during the Photocuring process, ensuring a high-precision print model with a smooth finish. ELEGOO water washable resin liquid has a low odor and is non-irritating, providing a safe and comfortable experience for the user. Water used to wash the resin models cannot be poured directly into the sewer or sink. It should be placed in sunlight to completely cure the remaining resin in the water before being disposed of to avoid environmental pollution.