High-concerned chemical: None - This wine extractor pump is designed with in mind, ensuring no harmful chemicals are involved in its construction or operation. Enjoy your wine safely and with peace of mind. : Centrifugal Pump - Utilizing the principles of centrifugal force, this wine pump ensures a smooth and consistent of wine. The design enhances the dispensing process, making it quicker and reducing the risk of spills or drips. Power Source: Electric - Powered by a robust 1200 battery, this electric pump offers convenience and efficiency. Charge it via USB Type-C and enjoy the ease of automatic wine dispensing without the need for manual effort. Structure: Self-Priming Pump - Designed to be user-friendly, this self-priming pump simplifies the process of wine extraction. It requires minimal setup and can operate efficiently without manual priming, saving you time and effort., Manufacturer: CTRLZS