: 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. 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. 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., Weight: 310.0 pounds, Manufacturer: IJSDNVJNDX