Key Features ✔Good Materials: This product is made of high-quality stainless steel and copper, which is strong, durable, waterproof, high temperature resistant, and not easy to deform. The thickened fuselage can resist high temperature, oxidation, and high pressure. ✔Strong Power: The copper motor has high conductivity and stable performance, which can bring strong power to meet your daily needs. ✔High Efficiency: The copper motor has high conductivity and stable performance, which can bring strong power to meet your daily needs. It only takes 8 minutes for this product to achieve fast inflation of 0.5L/0.11gal , which can save you a lot of time and electricity. Application It is suitable for filling high-pressure gas cylinders with a capacity of 2L/0.44gal(UK) and below. Specification Color: Orange Material: Stainless Steel Motor Material: Copper Shape: Cuboid Style: Modern Compression Mode: Secondary Reciprocating Type Shut Down: Manually Power Supply: 220V DC or 12V Car Battery Power: 300W Cooling Way: Build-in Fan, Heat Dissipation Holes Maximum Hose Pressure: 63MPA Air Volume: 40L/min Suitable Capacity of High-pressure Gas Cylinder: ≤2L Working Pressure: 30Mpa/300Bar/4500PSI Noise: ＜80db Net Weight: 6.7kg/14.77lbs Gross Weight: 7.7kg/16.98lbs Product Size: 27*25*13cm/10.6*9.9*5.1inch Package Size: 30.3*26.8*25.0cm/11*10*9inch Package Included 1* High Compressed Air Pump 1* 12V Transformer Power Supply 1* 12V Car Battery Clip Cable 1* Filter Kit 1* Hose Other Accessories for Assembly Notes 1. It can only be used for refilling bottles with a capacity of less than 1L. 2. Please inflate with this product continuously for 25 minutes and rest it for 8 minutes. 3. Before inflation, set the desired air pressure and connect the hose correctly. 4. When inflating, remember to tighten the bleed valve. 5. After being filled with air, first, loosen the bleed valve and then disconnect the hose.