Using electromagnetic motor, the linear reciprocating motion of the piston generates airflow, and the mechanism is more reasonableThe cylinder and piston are made of SF3 new wear-resistant material, which has low energy consumption, large displacement and higher air pressureOil-free lubrication design, the compressed air is purerAccessories weight: 6 air hole accessories 180g (10 meters trachea + 6 black check valves + 6 2x2cm blue air stones)Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onColour: As ShownMaterial: metalPackage Contents:1 set x 45W air compressorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.