This electric pump creates a vacuum to increase the blood flow to genetals. This will increase the size of your penis.
 
Frequency:4 Frequency
Material: PC+ABS
Size: 29.0cm/7.5cm
Packing Size: 35.0cm/8.5cm/8.0cm
Net Weight: 280g
Gross Weight: 630g
Packing: carton
Carton Gross Weight: 20.1kg