1 your previous or broken parts. 2 size, low strength and occasional noise. 3 vacuum speed and excessive vacuum degree. 4 characteristics, excessive reliability. 5 performance, lengthy provider life and coffee energy consumption. Descriptions: Rated Power: 50-60W Rated Voltage: DC12V Height: thirteen colour: black Material: ABS Package Contents: 1 x Electric Vacuum Pump Only the above kit content, different merchandise will not be included. Note: Light and various exhibits can cause the color of the article within the photograph barely varied from the genuine thing. The size allowed error is +/- 1-3cm.