High quality: Aluminum alloy body. durable ABS cover. Food grade treated Teflon needle surface. solid. Corrosion resistant cordless and lightweight bottle opener. easy to take away no electricity needed. Function: This wine bottle opener can help you efficiently and quickly open a bottle of wine without pulling and twisting. which can save you time and effort. And pulling the piston tail can save gas bottle. Proper vacuum operation can maintain the freshness of wine and liquor. Modern Design: it has the most elegant and innovative design. the most sophisticated intelligent structure. In addition. vacuum operation can maintain the freshness and alcohol of wine and pollution-free. Transparent Protective Cover: The highly transparent acrylic cover effectively protects the pinhole and prolongs the service life of the bottle opener. Easy to use: Insert the needle into the wine cork. lift and press. lift and pump four or five times. you can hear a bang and open it. which is very convenient and easy.